diff --git a/bundled-libs/create_release.sh b/bundled-libs/create_release.sh
index e159f0cd..a9578519 100755
--- a/bundled-libs/create_release.sh
+++ b/bundled-libs/create_release.sh
@@ -40,8 +40,20 @@ else
         echo "         serious harm! Only use it, if you are a developer and about"
         echo "         to bundle a new release version!"
         echo ""
-        echo "Hit [ENTER] to continue, or abort this script"
+        echo "Hit [ENTER] to continue, or abort this script (CTRL-C)"
         read -n 1
+        gensums=0
+        which php > /dev/null
+        if [ $? -ne 0 ]
+        then
+            gensums=-1
+            echo "NOTICE: Checksums will not be generated because PHP is not available."
+            echo "        Install PHP to generate checksums for file validation, or "
+            echo "        run serendipity_generateFTPChecksums.php manually."
+            echo ""
+            echo "Hit [ENTER] to continue, or abort this script (CTRL-C)"
+            read -n 1
+        fi
 
         echo "1. Operating on basedirectory ../../$2"
             cd ../../
@@ -81,7 +93,21 @@ else
             echo "    [DONE]"
             echo ""
 
-        echo "6. Altering CVS to be useful for anonymous users..."
+        echo "6. Generating checksums..."
+            if [ $gensums -ne 0 ]
+            then
+                echo "    [SKIP]"
+            else
+                if (echo "true" | php -B "define('IN_serendipity', true);" -F serendipity_generateFTPChecksums.php)
+                then
+                    echo "    [DONE]"
+                else
+                    rm -rf checksums.inc.php
+                    echo "    [FAIL]"
+                fi
+            fi
+            echo ""
+        echo "7. Altering CVS to be useful for anonymous users..."
             echo "   - Removing CVS branch tag, so that a user can upgrade to latest CVS"
             find "$2" -type f -name Tag -exec rm {} \;
             echo "       [DONE]"
@@ -93,12 +119,12 @@ else
             echo "       [DONE]"
             echo ""
 
-        echo "7. Creating .tgz file $1"
+        echo "8. Creating .tgz file $1"
             tar --owner=$3 --group=$4 -czf "$1" "$2"
             echo "    [DONE]"
             echo ""
 
-        echo "8. All Done. Bybe-Bye."
+        echo "9. All Done. Bye-Bye."
     else
         echo "Basedirectory ../../$2 not found. Check parameters"
     fi
diff --git a/bundled-libs/serendipity_generateFTPChecksums.php b/bundled-libs/serendipity_generateFTPChecksums.php
new file mode 100644
index 00000000..57cdfe13
--- /dev/null
+++ b/bundled-libs/serendipity_generateFTPChecksums.php
@@ -0,0 +1,59 @@
+<?php
+# Copyright (c) 2008 Judebert (on behalf of the Serendipity development team)
+# All rights reserved.  See LICENSE file for licensing details
+
+// Call this file from the base directory with 
+// echo "true" | 'php -B "define('IN_serendipity', true);" -F bundled-libs/serendipity_generateFTPChecksums.php'
+
+if (IN_serendipity !== true) {
+    die ("Don't hack!\n");
+}
+
+$basedir = realpath(dirname(__FILE__) . '/../') . '/';
+require_once $basedir . 'include/functions_installer.inc.php';
+require_once $basedir . 'include/functions_images.inc.php';
+
+// Find all the files in the serendipity directory and calculate their md5 sums
+$sums = array();
+$excludes = array(
+    'CHANGELOG',
+    'checksums.inc.php',
+    );
+$files = serendipity_traversePath($basedir, '', false);
+foreach ($files as $fdata) {
+    // Don't take checksums of directories
+    if ($fdata['directory']) {
+        continue;
+    }
+    $fname = $fdata['name'];
+    $prel = $fdata['relpath'];
+    $path = $basedir . $prel;
+    if ($fname[0] == '.' || !is_readable($path)) {
+        // serendipity_traversePath already excludes CVS and svn directories
+        continue;
+    }
+
+    // Are we SURE we should checksum this file?
+    if (is_file($path) && !in_array($fname, $excludes)) {
+        $sum = serendipity_FTPChecksum($path);
+        // If you find the valid file with an MD5 sum of 0, let me know. ;)
+        if ($sum) {
+            $sums[$prel] = $sum;
+        }
+        continue;
+    }
+}
+if (!empty($sums)) {
+    $file = fopen($basedir . '/' . 'checksums.inc.php', 'w');
+    if (!$file) {
+        die('Unable to open output file!');
+    }
+    fwrite($file, '<?php' . "\n" . 'global $serendipity;' . "\n" . '$serendipity[\'checksums\'] = array (' . "\n");
+        foreach ($sums as $fname => $sum) {
+            fwrite($file, "'$fname' => '$sum',\n");
+        }
+        fwrite($file, ');');
+    fclose($file);
+}
+/* vim: set sts=4 ts=4 sw=4 expandtab : */
+?>
diff --git a/include/admin/upgrader.inc.php b/include/admin/upgrader.inc.php
index 8ecf8ff8..30933287 100644
--- a/include/admin/upgrader.inc.php
+++ b/include/admin/upgrader.inc.php
@@ -264,6 +264,25 @@ if (($showAbort && $serendipity['GET']['action'] == 'ignore') || $serendipity['G
 ?>
 <div align="center">
 <table class="serendipity_admin_list_item serendipity_admin_list_item_even" width="90%" align="center">
+<?php if (is_readable($basedir . 'checksums.inc.php')) {
+    $badsums = serendipity_verifyFTPChecksums();
+?>
+    <tr>
+        <td colspan="2" style="font-weight: bold"><?php echo INTEGRITY ?></td>
+    </tr>
+    <tr>
+        <td width="200"><?php
+            if ( empty($badsums) ) {
+                echo serendipity_upgraderResultDiagnose(S9Y_U_SUCCESS, CHECKSUMS_PASS);
+            } else {
+                foreach ($badsums as $rfile => $sum) {
+                    echo serendipity_upgraderResultDiagnose(S9Y_U_ERROR, sprintf(CHECKSUM_FAILED, $rfile));
+                }
+            }
+     ?></td>
+    </tr>
+<?php } // End if checksums
+?>
     <tr>
         <td colspan="2" style="font-weight: bold"><?php echo PERMISSIONS ?></td>
     </tr>
diff --git a/include/functions_installer.inc.php b/include/functions_installer.inc.php
index 0edeb645..7fb100d4 100644
--- a/include/functions_installer.inc.php
+++ b/include/functions_installer.inc.php
@@ -688,6 +688,11 @@ function serendipity_checkInstallation() {
 
     $errs = array();
 
+    $badsums = serendipity_verifyFTPChecksums();
+    foreach ($badsums as $rfile => $sum) {
+        $errs[] = sprintf(CHECKSUM_FAILED, $rfile);
+    }
+
     serendipity_initPermalinks();
 
     // Check dirs
@@ -1182,3 +1187,113 @@ global $serendipity;
     }
 }
 
+/**
+ * Retrieve an FTP-compatible checksum for a file.
+ *
+ * @access public
+ * @param string filename is the path to the file to checksum
+ * @param string type forces a particular interpretation of newlines.  Mime
+ *    types and strings starting with 'text' will cause newlines to be stripped
+ *    before the checksum is calculated (default: null, determine from finfo 
+ *    and extension)
+ * @return string An MD5 checksum of the file, with newlines removed if it's 
+ *    an ASCII type; or false if the file cannot be read
+ */
+function serendipity_FTPChecksum($filename, $type = null) {
+    /** Only read the finfo database once */
+    static $debug_exts = array();
+
+    // Must be able to read the file 
+    if (!is_readable($filename)) {
+        return false;
+    }
+
+    // Figure out whether it's binary or text by extension
+    if ($type == null) {
+        $parts = pathinfo($filename);
+        $ext = '';
+        // Some PHP versions throw a warning if the index doesn't exist
+        if (isset($parts['extension'])) {
+            $ext = $parts['extension'];
+        }
+        // If they're case-insensitive equal, strcasecmp() returns 0, or
+        // 'false'.  So I use && to find if any of them are 0, in the
+        // most likely fail-fast order.
+        if (strcasecmp($ext, 'php') && 
+            strcasecmp($ext, 'tpl') &&
+            strcasecmp($ext, 'sql') &&
+            strcasecmp($ext, 'js') && 
+            strcasecmp($ext, 'txt') && 
+            strcasecmp($ext, 'htc') && 
+            strcasecmp($ext, 'css') && 
+            strcasecmp($ext, 'dist') && 
+            strcasecmp($ext, 'lib') && 
+            strcasecmp($ext, 'sh') && 
+            strcasecmp($ext, 'html') &&
+            strcasecmp($ext, 'htm') &&
+            !empty($ext)) {
+            if (!in_array($ext, array_keys($debug_exts))) {
+                $debug_exts[$ext] = $filename;
+            }
+            $type = 'bin';
+        } else {
+            $type = 'text';
+        }
+    }
+
+    // Calculate the checksum
+    $md5 = false;
+    if (stristr($type, 'text')) {
+        // This is a text-type file.  We need to remove linefeeds before 
+        // calculating a checksum, to account for possible FTP conversions
+        // that are inconvenient, but still valid.  But we don't want to
+        // allow newlines anywhere; just different *kinds* of newlines.
+        $newlines = array("#\r\n#", "#\r#", "#\n#");
+        $file = file_get_contents($filename);
+        $file = preg_replace($newlines, ' ', $file);
+        $md5 = md5($file);
+    } else {
+        // Just get its md5sum
+        $md5 = md5_file($filename);
+    }
+
+    return $md5;
+}
+
+/**
+ * Validate checksums for all required files.
+ * 
+ * @return A list of all files that failed checksum, where keys are the 
+ *    relative path of the file, and values are the bad checksum
+ */
+function serendipity_verifyFTPChecksums() {
+    // Load the checksums
+    require_once S9Y_INCLUDE_PATH . 'checksums.inc.php';
+    // Verify that every file in the checksum list was uploaded correctly
+    $badsums = array();
+    $basedir = realpath(dirname(__FILE__) . '/../');
+    foreach ($serendipity['checksums'] as $prel => $sum) {
+        $path = $basedir . '/' . $prel;
+        // Don't take checksums of directories
+        if (is_dir($path)) {
+            // Weird that it's even here. 
+            continue;
+        }
+
+        // Can't checksum unreadable or nonexistent files
+        if (!is_readable($path)) {
+            $badsums[$prel] = 'missing';
+            continue;
+        }
+
+        // Validate checksum
+        $calcsum = serendipity_FTPChecksum($path);
+        if ($sum != $calcsum) {
+            $badsums[$prel] = $calcsum;
+            continue;
+        }
+    }
+
+    return $badsums;
+}
+/* vim: set sts=4 ts=4 sw=4 expandtab : */
diff --git a/lang/UTF-8/serendipity_lang_bg.inc.php b/lang/UTF-8/serendipity_lang_bg.inc.php
index f040ecec..4aa043e9 100644
--- a/lang/UTF-8/serendipity_lang_bg.inc.php
+++ b/lang/UTF-8/serendipity_lang_bg.inc.php
@@ -368,6 +368,7 @@ $i18n_filename_to   = array('-', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', 'Емисия %s');
 @define('PERMISSIONS', 'Права');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Новите настройки са записани в %s');
diff --git a/lang/UTF-8/serendipity_lang_cn.inc.php b/lang/UTF-8/serendipity_lang_cn.inc.php
index 7c4238c1..e378cc2e 100644
--- a/lang/UTF-8/serendipity_lang_cn.inc.php
+++ b/lang/UTF-8/serendipity_lang_cn.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '权限');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新设定已经被保存到 %s');
diff --git a/lang/UTF-8/serendipity_lang_cs.inc.php b/lang/UTF-8/serendipity_lang_cs.inc.php
index e83ae800..361d394d 100644
--- a/lang/UTF-8/serendipity_lang_cs.inc.php
+++ b/lang/UTF-8/serendipity_lang_cs.inc.php
@@ -326,6 +326,7 @@ $i18n_filename_to = array (
 @define('FOUND_FILE', 'Založit nový/změnit soubor: %s.');
 @define('PERMISSIONS', 'Oprávnění');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/UTF-8/serendipity_lang_cz.inc.php b/lang/UTF-8/serendipity_lang_cz.inc.php
index b3b37468..000bf118 100644
--- a/lang/UTF-8/serendipity_lang_cz.inc.php
+++ b/lang/UTF-8/serendipity_lang_cz.inc.php
@@ -326,6 +326,7 @@ $i18n_filename_to = array (
 @define('FOUND_FILE', 'Založit nový/změnit soubor: %s.');
 @define('PERMISSIONS', 'Oprávnění');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/UTF-8/serendipity_lang_da.inc.php b/lang/UTF-8/serendipity_lang_da.inc.php
index 14a0031a..e76e950e 100644
--- a/lang/UTF-8/serendipity_lang_da.inc.php
+++ b/lang/UTF-8/serendipity_lang_da.inc.php
@@ -295,6 +295,7 @@
 @define('ENTRIES_PER_PAGE', 'artikler per side');
 @define('PERMISSIONS', 'Rettigheder');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/UTF-8/serendipity_lang_de.inc.php b/lang/UTF-8/serendipity_lang_de.inc.php
index f09364f7..1e00e658 100644
--- a/lang/UTF-8/serendipity_lang_de.inc.php
+++ b/lang/UTF-8/serendipity_lang_de.inc.php
@@ -320,6 +320,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s Feed');
 @define('PERMISSIONS', 'Rechte');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('XML_IMAGE_TO_DISPLAY', 'XML-Button');
diff --git a/lang/UTF-8/serendipity_lang_en.inc.php b/lang/UTF-8/serendipity_lang_en.inc.php
index a072214c..2e942a38 100644
--- a/lang/UTF-8/serendipity_lang_en.inc.php
+++ b/lang/UTF-8/serendipity_lang_en.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permissions');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'The new settings have been saved at %s');
diff --git a/lang/UTF-8/serendipity_lang_es.inc.php b/lang/UTF-8/serendipity_lang_es.inc.php
index e4d5fefb..34f83a9b 100644
--- a/lang/UTF-8/serendipity_lang_es.inc.php
+++ b/lang/UTF-8/serendipity_lang_es.inc.php
@@ -320,6 +320,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permisos');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/UTF-8/serendipity_lang_fa.inc.php b/lang/UTF-8/serendipity_lang_fa.inc.php
index 3bbf650d..c66a058e 100644
--- a/lang/UTF-8/serendipity_lang_fa.inc.php
+++ b/lang/UTF-8/serendipity_lang_fa.inc.php
@@ -334,6 +334,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s');
 @define('PERMISSIONS', 'دسترسی ها');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'تنظیمات جدید در %s ثبت شد');
diff --git a/lang/UTF-8/serendipity_lang_fi.inc.php b/lang/UTF-8/serendipity_lang_fi.inc.php
index e552b7fa..85656aea 100644
--- a/lang/UTF-8/serendipity_lang_fi.inc.php
+++ b/lang/UTF-8/serendipity_lang_fi.inc.php
@@ -332,6 +332,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s');
 @define('PERMISSIONS', 'Oikeudet');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Uudet asetukset on tallettetu %s');
diff --git a/lang/UTF-8/serendipity_lang_fr.inc.php b/lang/UTF-8/serendipity_lang_fr.inc.php
index 797ebfdf..4c2f804a 100644
--- a/lang/UTF-8/serendipity_lang_fr.inc.php
+++ b/lang/UTF-8/serendipity_lang_fr.inc.php
@@ -427,6 +427,7 @@
 
 @define('PERMISSIONS', 'Permissions');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('USERCONF_ALLOWPUBLISH', 'Publication de billets ?');
diff --git a/lang/UTF-8/serendipity_lang_hu.inc.php b/lang/UTF-8/serendipity_lang_hu.inc.php
index a3f5d1c7..5c4645b8 100644
--- a/lang/UTF-8/serendipity_lang_hu.inc.php
+++ b/lang/UTF-8/serendipity_lang_hu.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s hírcsatorna');
 @define('PERMISSIONS', 'Jogosultságok');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Az új beállításokat elmentettük ekkor: %s');
diff --git a/lang/UTF-8/serendipity_lang_is.inc.php b/lang/UTF-8/serendipity_lang_is.inc.php
index 60551d1b..0f8177d7 100644
--- a/lang/UTF-8/serendipity_lang_is.inc.php
+++ b/lang/UTF-8/serendipity_lang_is.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s straumur');
 @define('PERMISSIONS', 'Réttindi');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Nýju stillingarnar voru vistaðar klukkan %s');
diff --git a/lang/UTF-8/serendipity_lang_it.inc.php b/lang/UTF-8/serendipity_lang_it.inc.php
index 1477b80c..3df62556 100644
--- a/lang/UTF-8/serendipity_lang_it.inc.php
+++ b/lang/UTF-8/serendipity_lang_it.inc.php
@@ -322,6 +322,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', 'feed %s');
 @define('PERMISSIONS', 'Permessi');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Le nuove impostazioni sono state salvate in %s');
diff --git a/lang/UTF-8/serendipity_lang_ja.inc.php b/lang/UTF-8/serendipity_lang_ja.inc.php
index 7122a5e2..31e50ad0 100644
--- a/lang/UTF-8/serendipity_lang_ja.inc.php
+++ b/lang/UTF-8/serendipity_lang_ja.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s フィード');
 @define('PERMISSIONS', '許可');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新しい設定は %s に保存されました。');
diff --git a/lang/UTF-8/serendipity_lang_ko.inc.php b/lang/UTF-8/serendipity_lang_ko.inc.php
index 176b9bc0..fedeba0d 100644
--- a/lang/UTF-8/serendipity_lang_ko.inc.php
+++ b/lang/UTF-8/serendipity_lang_ko.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s 피드');
 @define('PERMISSIONS', '권한 설정');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '새로운 설정이 %s에 저장되었습니다');
diff --git a/lang/UTF-8/serendipity_lang_nl.inc.php b/lang/UTF-8/serendipity_lang_nl.inc.php
index bd713552..0c74931c 100644
--- a/lang/UTF-8/serendipity_lang_nl.inc.php
+++ b/lang/UTF-8/serendipity_lang_nl.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s-toevoer');
 @define('PERMISSIONS', 'Toegangsrechten');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'De instellingen zijn opgeslagen in %s');
diff --git a/lang/UTF-8/serendipity_lang_no.inc.php b/lang/UTF-8/serendipity_lang_no.inc.php
index f02c5fbb..80566881 100644
--- a/lang/UTF-8/serendipity_lang_no.inc.php
+++ b/lang/UTF-8/serendipity_lang_no.inc.php
@@ -295,6 +295,7 @@
 /* TRANSLATE */
 @define('PERMISSIONS', 'Rettigheter');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/UTF-8/serendipity_lang_pl.inc.php b/lang/UTF-8/serendipity_lang_pl.inc.php
index 5b494746..15d3d63d 100644
--- a/lang/UTF-8/serendipity_lang_pl.inc.php
+++ b/lang/UTF-8/serendipity_lang_pl.inc.php
@@ -335,6 +335,7 @@ $i18n_filename_to   = array('_', 'a', 'A', 'a', 'A', 'b', 'B', 'c', 'C', 'c', 'C
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Uprawnienia');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Ustawienia zostały zapisane o %s');
diff --git a/lang/UTF-8/serendipity_lang_pt.inc.php b/lang/UTF-8/serendipity_lang_pt.inc.php
index a7b61c79..296822ff 100644
--- a/lang/UTF-8/serendipity_lang_pt.inc.php
+++ b/lang/UTF-8/serendipity_lang_pt.inc.php
@@ -318,6 +318,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permissões');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/UTF-8/serendipity_lang_pt_PT.inc.php b/lang/UTF-8/serendipity_lang_pt_PT.inc.php
index 7b3b9986..9308e6a0 100644
--- a/lang/UTF-8/serendipity_lang_pt_PT.inc.php
+++ b/lang/UTF-8/serendipity_lang_pt_PT.inc.php
@@ -324,6 +324,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permissões');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'As novas preferências foram guardadas em %s');
diff --git a/lang/UTF-8/serendipity_lang_ro.inc.php b/lang/UTF-8/serendipity_lang_ro.inc.php
index cff67104..817d25d1 100644
--- a/lang/UTF-8/serendipity_lang_ro.inc.php
+++ b/lang/UTF-8/serendipity_lang_ro.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permisiuni');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Noile preferinţe au fost salvate în %s');
diff --git a/lang/UTF-8/serendipity_lang_ru.inc.php b/lang/UTF-8/serendipity_lang_ru.inc.php
index e1e29ccd..77b2946d 100644
--- a/lang/UTF-8/serendipity_lang_ru.inc.php
+++ b/lang/UTF-8/serendipity_lang_ru.inc.php
@@ -336,6 +336,7 @@ $i18n_filename_to   = array('_', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', 'лента %s');
 @define('PERMISSIONS', 'Права доступа');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Новые настройки были сохранены в %s');
diff --git a/lang/UTF-8/serendipity_lang_sa.inc.php b/lang/UTF-8/serendipity_lang_sa.inc.php
index 4eea9b85..606f019b 100644
--- a/lang/UTF-8/serendipity_lang_sa.inc.php
+++ b/lang/UTF-8/serendipity_lang_sa.inc.php
@@ -334,6 +334,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'الصلاحيات');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'تم حفظ الاعدادات الجديدة في  %s');
diff --git a/lang/UTF-8/serendipity_lang_se.inc.php b/lang/UTF-8/serendipity_lang_se.inc.php
index f839c1b0..6b851c6c 100644
--- a/lang/UTF-8/serendipity_lang_se.inc.php
+++ b/lang/UTF-8/serendipity_lang_se.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s matning');
 @define('PERMISSIONS', 'Rättigheter');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'De nya inställningarna har sparats på %s');
diff --git a/lang/UTF-8/serendipity_lang_ta.inc.php b/lang/UTF-8/serendipity_lang_ta.inc.php
index 4a3b6e47..55b4ea38 100644
--- a/lang/UTF-8/serendipity_lang_ta.inc.php
+++ b/lang/UTF-8/serendipity_lang_ta.inc.php
@@ -331,6 +331,7 @@
 @define('IN_REPLY_TO', 'இக்கருத்தைப் பற்றி');
 @define('TOP_LEVEL', 'குறிப்பு பற்றி');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
diff --git a/lang/UTF-8/serendipity_lang_tn.inc.php b/lang/UTF-8/serendipity_lang_tn.inc.php
index becb4cad..76c63482 100644
--- a/lang/UTF-8/serendipity_lang_tn.inc.php
+++ b/lang/UTF-8/serendipity_lang_tn.inc.php
@@ -335,6 +335,7 @@ $i18n_unknown = 'tw';
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '權限');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新設定已經儲存於 %s');
diff --git a/lang/UTF-8/serendipity_lang_tr.inc.php b/lang/UTF-8/serendipity_lang_tr.inc.php
index 7c32c56b..e556030f 100644
--- a/lang/UTF-8/serendipity_lang_tr.inc.php
+++ b/lang/UTF-8/serendipity_lang_tr.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s beslemesi');
 @define('PERMISSIONS', 'izinler');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Yeni ayarlarınız kaydedildi %s');
diff --git a/lang/UTF-8/serendipity_lang_tw.inc.php b/lang/UTF-8/serendipity_lang_tw.inc.php
index 5453ee45..6d3a1610 100644
--- a/lang/UTF-8/serendipity_lang_tw.inc.php
+++ b/lang/UTF-8/serendipity_lang_tw.inc.php
@@ -335,6 +335,7 @@ $i18n_unknown = 'tw';
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '權限');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新設定已經儲存於 %s');
diff --git a/lang/UTF-8/serendipity_lang_zh.inc.php b/lang/UTF-8/serendipity_lang_zh.inc.php
index 624a536a..b87dbb37 100644
--- a/lang/UTF-8/serendipity_lang_zh.inc.php
+++ b/lang/UTF-8/serendipity_lang_zh.inc.php
@@ -334,6 +334,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '权限');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新设定已经被保存到 %s');
diff --git a/lang/serendipity_lang_bg.inc.php b/lang/serendipity_lang_bg.inc.php
index b38d3a91..f8d74f5c 100644
--- a/lang/serendipity_lang_bg.inc.php
+++ b/lang/serendipity_lang_bg.inc.php
@@ -368,6 +368,7 @@ $i18n_filename_to   = array('-', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '������ %s');
 @define('PERMISSIONS', '�����');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '������ ��������� �� �������� � %s');
diff --git a/lang/serendipity_lang_cn.inc.php b/lang/serendipity_lang_cn.inc.php
index 7446844a..bf012b59 100644
--- a/lang/serendipity_lang_cn.inc.php
+++ b/lang/serendipity_lang_cn.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '权限');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新设定已经被保存到 %s');
diff --git a/lang/serendipity_lang_cs.inc.php b/lang/serendipity_lang_cs.inc.php
index d58b4bec..2f6f638d 100644
--- a/lang/serendipity_lang_cs.inc.php
+++ b/lang/serendipity_lang_cs.inc.php
@@ -326,6 +326,7 @@ $i18n_filename_to = array (
 @define('FOUND_FILE', 'Zalo�it nov�/zm�nit soubor: %s.');
 @define('PERMISSIONS', 'Opr�vn�n�');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/serendipity_lang_cz.inc.php b/lang/serendipity_lang_cz.inc.php
index b4016a7e..8da61692 100644
--- a/lang/serendipity_lang_cz.inc.php
+++ b/lang/serendipity_lang_cz.inc.php
@@ -326,6 +326,7 @@ $i18n_filename_to = array (
 @define('FOUND_FILE', 'Zalo�it nov�/zm�nit soubor: %s.');
 @define('PERMISSIONS', 'Opr�vn�n�');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/serendipity_lang_da.inc.php b/lang/serendipity_lang_da.inc.php
index d7aac755..e83ac405 100644
--- a/lang/serendipity_lang_da.inc.php
+++ b/lang/serendipity_lang_da.inc.php
@@ -295,6 +295,7 @@
 @define('ENTRIES_PER_PAGE', 'artikler per side');
 @define('PERMISSIONS', 'Rettigheder');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/serendipity_lang_de.inc.php b/lang/serendipity_lang_de.inc.php
index 7d352213..53672996 100644
--- a/lang/serendipity_lang_de.inc.php
+++ b/lang/serendipity_lang_de.inc.php
@@ -320,6 +320,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s Feed');
 @define('PERMISSIONS', 'Rechte');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('XML_IMAGE_TO_DISPLAY', 'XML-Button');
diff --git a/lang/serendipity_lang_en.inc.php b/lang/serendipity_lang_en.inc.php
index 069d7468..acf02747 100644
--- a/lang/serendipity_lang_en.inc.php
+++ b/lang/serendipity_lang_en.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permissions');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'The new settings have been saved at %s');
diff --git a/lang/serendipity_lang_es.inc.php b/lang/serendipity_lang_es.inc.php
index c3c1085a..5ae1655d 100644
--- a/lang/serendipity_lang_es.inc.php
+++ b/lang/serendipity_lang_es.inc.php
@@ -320,6 +320,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permisos');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/serendipity_lang_fa.inc.php b/lang/serendipity_lang_fa.inc.php
index aaa0872f..58002575 100644
--- a/lang/serendipity_lang_fa.inc.php
+++ b/lang/serendipity_lang_fa.inc.php
@@ -334,6 +334,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s');
 @define('PERMISSIONS', 'دسترسی ها');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'تنظیمات جدید در %s ثبت شد');
diff --git a/lang/serendipity_lang_fi.inc.php b/lang/serendipity_lang_fi.inc.php
index 74610ae3..e0230e87 100644
--- a/lang/serendipity_lang_fi.inc.php
+++ b/lang/serendipity_lang_fi.inc.php
@@ -332,6 +332,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s');
 @define('PERMISSIONS', 'Oikeudet');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Uudet asetukset on tallettetu %s');
diff --git a/lang/serendipity_lang_fr.inc.php b/lang/serendipity_lang_fr.inc.php
index 380c2aa2..bf13059a 100644
--- a/lang/serendipity_lang_fr.inc.php
+++ b/lang/serendipity_lang_fr.inc.php
@@ -427,6 +427,7 @@
 
 @define('PERMISSIONS', 'Permissions');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('USERCONF_ALLOWPUBLISH', 'Publication de billets ?');
diff --git a/lang/serendipity_lang_hu.inc.php b/lang/serendipity_lang_hu.inc.php
index 5a81d682..1b201397 100644
--- a/lang/serendipity_lang_hu.inc.php
+++ b/lang/serendipity_lang_hu.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s h�rcsatorna');
 @define('PERMISSIONS', 'Jogosults�gok');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Az �j be�ll�t�sokat elmentett�k ekkor: %s');
diff --git a/lang/serendipity_lang_is.inc.php b/lang/serendipity_lang_is.inc.php
index 653179db..9727efd3 100644
--- a/lang/serendipity_lang_is.inc.php
+++ b/lang/serendipity_lang_is.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s straumur');
 @define('PERMISSIONS', 'R�ttindi');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'N�ju stillingarnar voru vista�ar klukkan %s');
diff --git a/lang/serendipity_lang_it.inc.php b/lang/serendipity_lang_it.inc.php
index a883f0d7..159831fe 100644
--- a/lang/serendipity_lang_it.inc.php
+++ b/lang/serendipity_lang_it.inc.php
@@ -322,6 +322,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', 'feed %s');
 @define('PERMISSIONS', 'Permessi');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Le nuove impostazioni sono state salvate in %s');
diff --git a/lang/serendipity_lang_ja.inc.php b/lang/serendipity_lang_ja.inc.php
index 35a7bec1..5c3057c6 100644
--- a/lang/serendipity_lang_ja.inc.php
+++ b/lang/serendipity_lang_ja.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s フィード');
 @define('PERMISSIONS', '許可');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新しい設定は %s に保存されました。');
diff --git a/lang/serendipity_lang_ko.inc.php b/lang/serendipity_lang_ko.inc.php
index 39efc97f..d6177b85 100644
--- a/lang/serendipity_lang_ko.inc.php
+++ b/lang/serendipity_lang_ko.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s 피드');
 @define('PERMISSIONS', '권한 설정');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '새로운 설정이 %s에 저장되었습니다');
diff --git a/lang/serendipity_lang_nl.inc.php b/lang/serendipity_lang_nl.inc.php
index d1cf6df2..b09921db 100644
--- a/lang/serendipity_lang_nl.inc.php
+++ b/lang/serendipity_lang_nl.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s-toevoer');
 @define('PERMISSIONS', 'Toegangsrechten');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'De instellingen zijn opgeslagen in %s');
diff --git a/lang/serendipity_lang_no.inc.php b/lang/serendipity_lang_no.inc.php
index a9418cf9..dc9c4bbd 100644
--- a/lang/serendipity_lang_no.inc.php
+++ b/lang/serendipity_lang_no.inc.php
@@ -295,6 +295,7 @@
 /* TRANSLATE */
 @define('PERMISSIONS', 'Rettigheter');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/serendipity_lang_pl.inc.php b/lang/serendipity_lang_pl.inc.php
index 426f9b70..2dc533eb 100644
--- a/lang/serendipity_lang_pl.inc.php
+++ b/lang/serendipity_lang_pl.inc.php
@@ -335,6 +335,7 @@ $i18n_filename_to   = array('_', 'a', 'A', 'a', 'A', 'b', 'B', 'c', 'C', 'c', 'C
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Uprawnienia');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Ustawienia zosta�y zapisane o %s');
diff --git a/lang/serendipity_lang_pt.inc.php b/lang/serendipity_lang_pt.inc.php
index 85ea49b4..cbb41c46 100644
--- a/lang/serendipity_lang_pt.inc.php
+++ b/lang/serendipity_lang_pt.inc.php
@@ -318,6 +318,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permiss�es');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 
diff --git a/lang/serendipity_lang_pt_PT.inc.php b/lang/serendipity_lang_pt_PT.inc.php
index 6fd8fab8..6da9430f 100644
--- a/lang/serendipity_lang_pt_PT.inc.php
+++ b/lang/serendipity_lang_pt_PT.inc.php
@@ -324,6 +324,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permiss�es');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'As novas prefer�ncias foram guardadas em %s');
diff --git a/lang/serendipity_lang_ro.inc.php b/lang/serendipity_lang_ro.inc.php
index cff67104..817d25d1 100644
--- a/lang/serendipity_lang_ro.inc.php
+++ b/lang/serendipity_lang_ro.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Permisiuni');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Noile preferinţe au fost salvate în %s');
diff --git a/lang/serendipity_lang_ru.inc.php b/lang/serendipity_lang_ru.inc.php
index e625ea8d..6d57c0be 100644
--- a/lang/serendipity_lang_ru.inc.php
+++ b/lang/serendipity_lang_ru.inc.php
@@ -336,6 +336,7 @@ $i18n_filename_to   = array('_', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', 'лента %s');
 @define('PERMISSIONS', 'Права доступа');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Новые настройки были сохранены в %s');
diff --git a/lang/serendipity_lang_sa.inc.php b/lang/serendipity_lang_sa.inc.php
index 175b3622..115a5d8e 100644
--- a/lang/serendipity_lang_sa.inc.php
+++ b/lang/serendipity_lang_sa.inc.php
@@ -334,6 +334,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '���������');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '�� ��� ��������� ������� ��  %s');
diff --git a/lang/serendipity_lang_se.inc.php b/lang/serendipity_lang_se.inc.php
index 67b84944..b7bfa1e0 100644
--- a/lang/serendipity_lang_se.inc.php
+++ b/lang/serendipity_lang_se.inc.php
@@ -333,6 +333,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s matning');
 @define('PERMISSIONS', 'R�ttigheter');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'De nya inst�llningarna har sparats p� %s');
diff --git a/lang/serendipity_lang_ta.inc.php b/lang/serendipity_lang_ta.inc.php
index 4a3b6e47..55b4ea38 100644
--- a/lang/serendipity_lang_ta.inc.php
+++ b/lang/serendipity_lang_ta.inc.php
@@ -331,6 +331,7 @@
 @define('IN_REPLY_TO', 'இக்கருத்தைப் பற்றி');
 @define('TOP_LEVEL', 'குறிப்பு பற்றி');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
diff --git a/lang/serendipity_lang_tn.inc.php b/lang/serendipity_lang_tn.inc.php
index fd222539..6715b535 100644
--- a/lang/serendipity_lang_tn.inc.php
+++ b/lang/serendipity_lang_tn.inc.php
@@ -335,6 +335,7 @@ $i18n_unknown = 'tw';
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '權限');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '新設定已經儲存於 %s');
diff --git a/lang/serendipity_lang_tr.inc.php b/lang/serendipity_lang_tr.inc.php
index 7c32c56b..e556030f 100644
--- a/lang/serendipity_lang_tr.inc.php
+++ b/lang/serendipity_lang_tr.inc.php
@@ -335,6 +335,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s beslemesi');
 @define('PERMISSIONS', 'izinler');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', 'Yeni ayarlarınız kaydedildi %s');
diff --git a/lang/serendipity_lang_tw.inc.php b/lang/serendipity_lang_tw.inc.php
index ebe33aeb..4acf9b91 100644
--- a/lang/serendipity_lang_tw.inc.php
+++ b/lang/serendipity_lang_tw.inc.php
@@ -335,6 +335,7 @@ $i18n_unknown = 'tw';
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', '�v��');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '�s�]�w�w�g�x�s�� %s');
diff --git a/lang/serendipity_lang_zh.inc.php b/lang/serendipity_lang_zh.inc.php
index aceefe83..a4499cda 100644
--- a/lang/serendipity_lang_zh.inc.php
+++ b/lang/serendipity_lang_zh.inc.php
@@ -334,6 +334,7 @@
 @define('SYNDICATION_PLUGIN_GENERIC_FEED', '%s feed');
 @define('PERMISSIONS', 'Ȩ��');
 @define('INTEGRITY', 'Verify Installation Integrity');
+@define('CHECKSUMS_NOT_FOUND', 'Unable to compare checksums! (No checksums.inc.php in main directory)');
 @define('CHECKSUMS_PASS', 'All required files verified.');
 @define('CHECKSUM_FAILED', '%s corrupt or modified: failed verification');
 @define('SETTINGS_SAVED_AT', '���趨�Ѿ������浽 %s');
diff --git a/serendipity_admin.php b/serendipity_admin.php
index 0408dddc..92e0f423 100644
--- a/serendipity_admin.php
+++ b/serendipity_admin.php
@@ -215,6 +215,25 @@ if (!$use_installer && $is_logged_in) {
             echo LOGGEDOUT;
             break;
 
+        case 'integrity':
+            echo '<div class="serendipity_admin_title">' . INTEGRITY . '</div>';
+            $badsums = array();
+            if (!is_readable(S9Y_INCLUDE_PATH . 'checksums.inc.php')) {
+                echo '<span class="serendipityAdminMsgNote">' . CHECKSUMS_NOT_FOUND . '</span>';
+                break;
+            }
+            $badsums = serendipity_verifyFTPChecksums();
+            if (count($badsums) == 0) {
+                echo '<span class="serendipityAdminMsgSuccess">' . CHECKSUMS_PASS . '</span>';
+            } else {
+                echo '<ul>';
+                foreach ($badsums as $rpath => $calcsum) {
+                    echo '<li class="serendipityAdminMsgError">' . sprintf(CHECKSUM_FAILED, $rpath) . '</li>';
+                }
+                echo '</ul>';
+            }
+            break;
+
         default:
             include S9Y_INCLUDE_PATH . 'include/admin/overview.inc.php';
             break;
@@ -435,6 +454,9 @@ if ($use_installer) {
 <?php if (serendipity_checkPermission('adminImport')) { ?>
                         <li class="serendipitySideBarMenuLink serendipitySideBarMenuUserManagementLinks"><a href="serendipity_admin.php?serendipity[adminModule]=import"><?php echo IMPORT_ENTRIES; ?></a></li>
                         <li class="serendipitySideBarMenuLink serendipitySideBarMenuUserManagementLinks"><a href="serendipity_admin.php?serendipity[adminModule]=export"><?php echo EXPORT_ENTRIES; ?></a></li>
+<?php } ?>
+<?php if (serendipity_checkPermission('siteConfiguration') || serendipity_checkPermission('blogConfiguration')) { ?>
+                        <li class="serendipitySideBarMenuLink serendipitySideBarMenuUserManagementLinks"><a href="serendipity_admin.php?serendipity[adminModule]=integrity"><?php echo INTEGRITY; ?></a></li>
 <?php } ?>
                         <?php if ($serendipity['no_create'] !== true) serendipity_plugin_api::hook_event('backend_sidebar_admin', $serendipity); ?>
                         <li class="serendipitySideBarMenuFoot serendipitySideBarMenuUserManagement" style="display:none"></li>
diff --git a/templates/default/admin/index.tpl b/templates/default/admin/index.tpl
index c9612230..4df828d4 100644
--- a/templates/default/admin/index.tpl
+++ b/templates/default/admin/index.tpl
@@ -207,6 +207,9 @@
                         <li class="serendipitySideBarMenuLink serendipitySideBarMenuUserManagementLinks"><a href="serendipity_admin.php?serendipity[adminModule]=import">{$CONST.IMPORT_ENTRIES}</a></li>
                         <li class="serendipitySideBarMenuLink serendipitySideBarMenuUserManagementLinks"><a href="serendipity_admin.php?serendipity[adminModule]=export">{$CONST.EXPORT_ENTRIES}</a></li>
                         {/if}
+                        {if 'siteConfiguration'|checkPermission || 'blogConfiguration'|checkPermission}
+                        <li class="serendipitySideBarMenuLink serendipitySideBarMenuUserManagementLinks"><a href="serendipity_admin.php?serendipity[adminModule]=integrity">{$CONST.INTEGRITY}</a></li>
+                        {/if}
                         {if $admin_vars.no_create !== true} {serendipity_hookPlugin hook="backend_sidebar_admin" hookAll="true"}{/if}
                         <li class="serendipitySideBarMenuFoot serendipitySideBarMenuUserManagement" style="display:none"></li>
                     </ul>
@@ -244,4 +247,4 @@
         </div>                            
     </body>
 <!-- ADMIN-ENTRY TEMPLATE: index.tpl END -->
-</html>
\ No newline at end of file
+</html>