i ve download one movie from the internet but when i play that first i have the sound but the related scean come later. how to solve this? is there any software for that. and the movie is not clear. only downloaded movies. the games and all are very clear. i have nvdia 256 mb asus agp card. 1024 mb ram intel p4 3,2ghz processor with ht technology. abit mother board. on board sound. the sound also not good. i have 5,1 channel creative speaker. is there any way to improve my sound.