2000 codec

well about this codec, does it effect the movie language or something coz after installin dis codec, the sound of the movie is messed up and it seems that the movie is in some other language has someone seen this problem b4 or i m da only1 , if someone has and solved it anyhow plz tell me i wll be gr8full.
thanx

you’re not the only one with that problem, I have both german and english running at the same time, while the speed of the movie slows down extremely,... some one help us, please!!