I should only recommend using ffd show decoder, over what you curently use. The bad news is, that you might not be able to remove the crashed/trashed codec you using W/O reinstalling winblows.
Might.
Hope you can.
FFD show allow you to play Xvid, DivX 3, 4 and 5 content, as WMA too. So, good codec package. Get it there:
http://prdownloads.sourceforge.net/f...3.exe?download