Index: branches/5.2.x/core/units/helpers/fck_helper.php
===================================================================
diff -u -N -r14699 -r14843
--- branches/5.2.x/core/units/helpers/fck_helper.php	(.../fck_helper.php)	(revision 14699)
+++ branches/5.2.x/core/units/helpers/fck_helper.php	(.../fck_helper.php)	(revision 14843)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: fck_helper.php 14699 2011-10-26 11:39:38Z alex $
+* @version	$Id: fck_helper.php 14843 2011-12-08 09:24:46Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -110,12 +110,17 @@
 	 */
 	public function ReadFolders($files_dir)
 	{
-		$iterator = new DirectoryIterator($files_dir);
-		/* @var $file_info DirectoryIterator */
-
 		$ret = Array ();
 		$system_folders = defined('KERNEL_SYSTEM_FOLDERS') ? KERNEL_SYSTEM_FOLDERS : Array ('icons', 'CVS', '.svn');
 
+		try {
+			$iterator = new DirectoryIterator($files_dir);
+			/* @var $file_info DirectoryIterator */
+		}
+		catch (UnexpectedValueException $e) {
+			return $ret;
+		}
+
 		foreach ($iterator as $file_info) {
 			$filename = $file_info->getFilename();
 
@@ -138,8 +143,13 @@
 	{
 		$ret = Array ();
 
-		$iterator = new DirectoryIterator($files_dir);
-		/* @var $file_info DirectoryIterator */
+		try {
+			$iterator = new DirectoryIterator($files_dir);
+			/* @var $file_info DirectoryIterator */
+		}
+		catch (UnexpectedValueException $e) {
+			return $ret;
+		}
 
 		foreach ($iterator as $file_info) {
 			if ( !$file_info->isDir() ) {
Index: branches/5.2.x/core/units/helpers/themes_helper.php
===================================================================
diff -u -N -r14753 -r14843
--- branches/5.2.x/core/units/helpers/themes_helper.php	(.../themes_helper.php)	(revision 14753)
+++ branches/5.2.x/core/units/helpers/themes_helper.php	(.../themes_helper.php)	(revision 14843)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: themes_helper.php 14753 2011-11-09 16:51:47Z alex $
+* @version	$Id: themes_helper.php 14843 2011-12-08 09:24:46Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -479,24 +479,28 @@
 		 */
 		function refreshThemes()
 		{
-			$themes_found = Array();
+			$themes_found = Array ();
 
-			$iterator = new DirectoryIterator($this->themesFolder . '/');
-			/* @var $file_info DirectoryIterator */
+			try {
+				$iterator = new DirectoryIterator($this->themesFolder . '/');
+				/* @var $file_info DirectoryIterator */
 
-			foreach ($iterator as $file_info) {
-				$filename = $file_info->getFilename();
+				foreach ($iterator as $file_info) {
+					$filename = $file_info->getFilename();
 
-				if ( $file_info->isDir() && !$file_info->isDot() && $filename != '.svn' && $filename != 'CVS' ) {
-					$theme_id = $this->refreshTheme($filename);
+					if ( $file_info->isDir() && !$file_info->isDot() && $filename != '.svn' && $filename != 'CVS' ) {
+						$theme_id = $this->refreshTheme($filename);
 
-					if ($theme_id) {
-						$themes_found[] = $theme_id;
-						// increment serial of updated themes
-						$this->Application->incrementCacheSerial('theme', $theme_id);
+						if ( $theme_id ) {
+							$themes_found[] = $theme_id;
+							// increment serial of updated themes
+							$this->Application->incrementCacheSerial('theme', $theme_id);
+						}
 					}
 				}
 			}
+			catch ( UnexpectedValueException $e ) {
+			}
 
 			$id_field = $this->Application->getUnitOption('theme', 'IDField');
 			$table_name = $this->Application->getUnitOption('theme', 'TableName');
@@ -510,10 +514,10 @@
 			}*/
 
 			// 2. if none themes found -> delete all from db OR delete all except of found themes
-			$sql = 'SELECT '.$id_field.'
-					FROM '.$table_name;
-			if ($themes_found) {
-				$sql .= ' WHERE '.$id_field.' NOT IN ('.implode(',', $themes_found).')';
+			$sql = 'SELECT ' . $id_field . '
+					FROM ' . $table_name;
+			if ( $themes_found ) {
+				$sql .= ' WHERE ' . $id_field . ' NOT IN (' . implode(',', $themes_found) . ')';
 			}
 			$theme_ids = $this->Conn->GetCol($sql);
 			$this->deleteThemes($theme_ids);
Index: branches/5.2.x/core/install.php
===================================================================
diff -u -N -r14842 -r14843
--- branches/5.2.x/core/install.php	(.../install.php)	(revision 14842)
+++ branches/5.2.x/core/install.php	(.../install.php)	(revision 14843)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: install.php 14842 2011-12-08 09:00:44Z alex $
+* @version	$Id: install.php 14843 2011-12-08 09:24:46Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -907,8 +907,10 @@
 							$template_path = '/themes' . '/' . $theme_name . '/' . $module_info['TemplatePath'];
 							$this->toolkit->RunSQL( $template_path . '_install/install_data.sql', Array('{ThemeId}', '{SitePath}'), Array($theme_id, $site_path) );
 
-							// copy theme demo images into writable path accessible by FCKEditor
-							$file_helper->copyFolderRecursive(FULL_PATH . $template_path . '_install/images' . DIRECTORY_SEPARATOR, WRITEABLE . '/user_files/Images');
+							if ( file_exists(FULL_PATH . $template_path . '_install/images') ) {
+								// copy theme demo images into writable path accessible by FCKEditor
+								$file_helper->copyFolderRecursive(FULL_PATH . $template_path . '_install/images' . DIRECTORY_SEPARATOR, WRITEABLE . '/user_files/Images');
+							}
 						}
 					}
 					break;
Index: branches/5.2.x/core/units/helpers/modules_helper.php
===================================================================
diff -u -N -r14699 -r14843
--- branches/5.2.x/core/units/helpers/modules_helper.php	(.../modules_helper.php)	(revision 14699)
+++ branches/5.2.x/core/units/helpers/modules_helper.php	(.../modules_helper.php)	(revision 14843)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: modules_helper.php 14699 2011-10-26 11:39:38Z alex $
+* @version	$Id: modules_helper.php 14843 2011-12-08 09:24:46Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -454,8 +454,13 @@
 		{
 			$modules = Array ();
 
-			$iterator = new DirectoryIterator(MODULES_PATH);
-			/* @var $file_info DirectoryIterator */
+			try {
+				$iterator = new DirectoryIterator(MODULES_PATH);
+				/* @var $file_info DirectoryIterator */
+			}
+			catch (UnexpectedValueException $e) {
+				return $modules;
+			}
 
 			foreach ($iterator as $file_info) {
 				$file_path = $file_info->getPathname();