This may be a dumb question, but some of the movies I have downloaded lately have been playing very "jumpy" as if a frame was missing, while the sound remained perfect and in sink. I've been trying to play these files in multiple media viewers including Windows Media Player, BS Player, Real, Power DVD, Divx, and Winamp. Nothing helped. The only place where I have been able to get rid of the jumpines is Virtual Dub, but then the sound was completely out of sink.
Is there a quick and easy way to play these movies without jumpiness? Thanks a lot.