--- class.em_index.php.old	Mon Mar 26 11:26:08 2007
+++ class.em_index.php	Mon Mar 26 11:18:11 2007
@@ -2419,8 +2419,13 @@
 			$backUpData = $this->terConnection->makeUploadDataFromArray($uArr);
 			$filename = 'T3X_'.$extKey.'-'.str_replace('.','_',$extInfo['EM_CONF']['version']).'-z-'.date('YmdHi').'.t3x';
 			if (intval($this->CMD['doBackup'])==1)	{
+				header("Pragma: public"); // required
+				header("Expires: 0");
+				header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
+				header("Cache-Control: private",false); // required for certain browsers 
 				header('Content-Type: application/octet-stream');
 				header('Content-Disposition: attachment; filename='.$filename);
+				header("Content-Transfer-Encoding: binary");
 				echo $backUpData;
 				exit;
 			} elseif ($this->CMD['dumpTables'])	{