Index: branches/RC/core/units/admin/admin_tag_processor.php
===================================================================
diff -u -N -r9046 -r9313
--- branches/RC/core/units/admin/admin_tag_processor.php	(.../admin_tag_processor.php)	(revision 9046)
+++ branches/RC/core/units/admin/admin_tag_processor.php	(.../admin_tag_processor.php)	(revision 9313)
@@ -789,8 +789,8 @@
 				$style =  $this->Conn->GetRow('SELECT * FROM '.TABLE_PREFIX.'Skins WHERE IsPrimary = 1');
 			}
 
-			$css_path = WRITEABLE.'/user_files';
-			$css_url = $this->Application->BaseURL(WRITEBALE_BASE).'user_files/';
+			$css_path = (defined('WRITEABLE') ? WRITEABLE : FULL_PATH.'/kernel').'/user_files';
+			$css_url = $this->Application->BaseURL(defined('WRITEBALE_BASE') ? WRITEBALE_BASE : '/kernel').'user_files/';
 
 			if (isset($params['type']) && $params['type'] == 'logo') {
 				return $style['Logo'] ? $css_url.$style['Logo'] : '';
Index: branches/RC/core/kernel/db/db_event_handler.php
===================================================================
diff -u -N -r9310 -r9313
--- branches/RC/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 9310)
+++ branches/RC/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 9313)
@@ -2033,7 +2033,8 @@
 
 			$value = $this->Application->GetVar('Filedata');
 			if (!$value) return ;
-			$tmp_path = WRITEABLE.'/tmp/';
+
+			$tmp_path = defined('WRITEABLE') ? WRITEABLE.'/tmp/' : FULL_PATH.'/kernel/cache/';
 			$fname = $value['name'];
 			$id = $this->Application->GetVar('id');
 			if ($id) $fname = $id.'_'.$fname;
@@ -2075,7 +2076,7 @@
 		{
 			if (strpos($this->Application->GetVar('file'), '../') !== false) return ;
 			if ($this->Application->GetVar('tmp')) {
-				$path = WRITEABLE.'/tmp/'.$this->Application->GetVar('id').'_'.$this->Application->GetVar('file');
+				$path = (defined('WRITEABLE') ? WRITEABLE.'/tmp/' : FULL_PATH.'/kernel/cache/').$this->Application->GetVar('id').'_'.$this->Application->GetVar('file');
 			}
 			else {
 				$object =& $event->getObject(array('skip_autoload'=>true));
Index: branches/RC/core/units/general/xml_helper.php
===================================================================
diff -u -N -r9297 -r9313
--- branches/RC/core/units/general/xml_helper.php	(.../xml_helper.php)	(revision 9297)
+++ branches/RC/core/units/general/xml_helper.php	(.../xml_helper.php)	(revision 9313)
@@ -29,14 +29,17 @@
 			xml_get_current_line_number($xml_parser)), E_USER_WARNING);
 		}
 		xml_parser_free($xml_parser);
-		return $this->RootElement;
+
+		$root_copy = $this->RootElement;
+
+		return $root_copy;
 	}
 
 	function startElement(&$Parser, &$Elem, $Attrs)
 	{
 		$parent =& $this->CurrentElement; // 1. $parent is now reference to $this->CurrentElement
 		$this->CurrentElement =& new kXMLNode($Elem, $Attrs); // 2. =& ensures, that new object won't be assigned to $parent as well (don't remove)
-		if (is_null($this->RootElement)) {
+		if (!isset($this->RootElement) || is_null($this->RootElement)) {
 			$this->RootElement =& $this->CurrentElement;
 		}
 		if (!is_null($parent)) {
@@ -58,8 +61,8 @@
 
 	function Clear()
 	{
-		$this->RootElement = null;
-		$this->CurrentElement = null;
+		unset($this->RootElement);
+		unset($this->CurrentElement);
 	}
 }
 
Index: branches/RC/core/kernel/utility/formatters/upload_formatter.php
===================================================================
diff -u -N -r9256 -r9313
--- branches/RC/core/kernel/utility/formatters/upload_formatter.php	(.../upload_formatter.php)	(revision 9256)
+++ branches/RC/core/kernel/utility/formatters/upload_formatter.php	(.../upload_formatter.php)	(revision 9313)
@@ -67,7 +67,7 @@
 				$real_name = $this->ValidateFileName($this->FullPath, $real_name);
 				$file_name = $this->FullPath.$real_name;
 
-				$tmp_file = WRITEABLE.'/tmp/'.$swf_uploaded_ids[$i].'_'.$swf_uploaded_names[$i];
+				$tmp_file = (defined('WRITEABLE') ? WRITEABLE.'/tmp/' : FULL_PATH.'/kernel/cache/').$swf_uploaded_ids[$i].'_'.$swf_uploaded_names[$i];
 				rename($tmp_file, $file_name);
 
 				@chmod($file_name, 0666);
Index: branches/RC/core/units/skins/skin_eh.php
===================================================================
diff -u -N -r8929 -r9313
--- branches/RC/core/units/skins/skin_eh.php	(.../skin_eh.php)	(revision 8929)
+++ branches/RC/core/units/skins/skin_eh.php	(.../skin_eh.php)	(revision 9313)
@@ -70,7 +70,7 @@
 		}
 
 		$compile_ts = adodb_mktime();
-		$css_path = WRITEABLE.'/user_files/';
+		$css_path = (defined('WRITEABLE') ? WRITEABLE : FULL_PATH.'/kernel').'/user_files/';
 
 		$css_file = $css_path.'admin-'.strtolower($object->GetDBField('Name')).'-'.$compile_ts.'.css';