Index: branches/5.2.x/core/install.php
===================================================================
diff -u -N -r14941 -r15000
--- branches/5.2.x/core/install.php	(.../install.php)	(revision 14941)
+++ branches/5.2.x/core/install.php	(.../install.php)	(revision 15000)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: install.php 14941 2011-12-29 12:47:14Z alex $
+* @version	$Id: install.php 15000 2012-01-06 16:31:48Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -998,7 +998,13 @@
 							}
 						}
 
-						// 3. upgrade admin skin
+						// 3. update all theme language packs
+						$themes_helper =& $this->Application->recallObject('ThemesHelper');
+						/* @var $themes_helper kThemesHelper */
+
+						$themes_helper->synchronizeModule(false);
+
+						// 4. upgrade admin skin
 						if (in_array('core', $modules)) {
 							$skin_upgrade_log = $this->toolkit->upgradeSkin($upgrade_data['core']);