Hi...i use many programs on my machime to edit audio and i start to edit video....i have many codecs instaled. When i play vcd on power dvd, the sound cuts and the image is so slow.It happens too with asf extension. mov extension dont works ( no sound, no image). My OS in this moment is WIN98SE, but i used WIN2000Pro but i uninstall because windows media player dont work.But i have one problem more..windows media player now says "this program realize an a ilegal operation and have to be closed". I try to remove WMP but dont have way to remove. If power dvd works i remove all softwares.....help please...and sorry my poor english, i dont speaky very well....