Index: branches/RC/core/kernel/db/db_event_handler.php
===================================================================
diff -u -N -r11711 -r11721
--- branches/RC/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 11711)
+++ branches/RC/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 11721)
@@ -554,7 +554,7 @@
 			$object =& $event->getObject();
 			$id = $this->getPassedID($event);
 
-			if ($object->isLoaded() && ($object->GetID() == $id)) {
+			if ($object->isLoaded() && !is_array($id) && ($object->GetID() == $id)) {
 				// object is already loaded by same id
 				return ;
 			}
@@ -2337,6 +2337,7 @@
 				$path = FULL_PATH.$options['upload_dir'].$this->Application->GetVar('file');
 			}
 
+			$path = str_replace('/', DIRECTORY_SEPARATOR, $path);
 			$type = mime_content_type($path);
 
 			header('Content-Length: '.filesize($path));