Index: t3lib/utility/class.t3lib_utility_client.php
===================================================================
--- t3lib/utility/class.t3lib_utility_client.php	(Revision 8093)
+++ t3lib/utility/class.t3lib_utility_client.php	(Arbeitskopie)
@@ -78,6 +78,8 @@
 			// Find all phrases (or return empty array if none found)
 		if (!preg_match_all($pattern, strtolower($userAgent), $matches)) {
 			$browserInfo['browser'] = 'unknown';
+			$browserInfo['version'] = '';
+			$browserInfo['all'] = array();
 		} else {
 				// Since some UAs have more than one phrase (e.g Firefox has a Gecko phrase,
 				// Opera 7,8 have a MSIE phrase), use the last one found (the right-most one