All updates for Windows 7 are Language Neutral which means that all updates that MS makes for Win7 will work with any language. So yes you can use this ULZ. Here's the layout i use for my UL's below:- <update id="" category="" publishdate="" article="http://support.microsoft.com/kb/kb"> <title></title> <description></description> <filename></filename> <url></url> </update> As for packaging the UL, just zip them up with either the built-in windows zip app or 7-zip, then rename the file extension from .zip to .ulz, if you still get errors it means you've made a mistake somewhere, and i wish you luck with your new UL. Append .xml to your list's name and drag it into Firefox. It should show you the exact line that's causing the problem. Thanks so much for your guys help I got my update list working I only have 1 update in it atm though. I'll probably do the rest this weekend.