Seriously Dude.........
Ur question is weird..........1st u say its a VCD(MPEG1)........then u talk abt not having the ri8 codecs........
Dude......if its a VCD, the problem is with ur CD-ROM or wateva.........
If its a CD with an *.avi file on it, then u do need codecs...........To know all about codecs n where to download them...........
CLICK ON THE LINK IN MY SIGNATURE............