its not a part of vista..
probably a codec pack you installed (have heard people complaining about
this)
I prefer to not have codec packs at all and use gomplayer
and the original codecs for divx and xvid
--
50 Ways to leave your Vista....
CHORUS:
You just format the drive , Clive
Get a New Mac , Jack
Y'don't need that crap toy, Roy
Just get yourself free
Boot from a *nix, Jix
You don't need to discuss much
Install XP, Lee
And get yourself free