basically i reformatted 2 nights ago, installed everything, newest drivers etc for everthing no trouble atall, then when it comes to watching videos on powerdvd or windows media player my computer slows down and pretty much stops, cant do anything, even after i eventually cancel the player, i can play world of warcraft and counter strike source still, only problem is when i play a video. iv got 1gb memory, nvidia geforce 6200 and i havent had trouble before. any help? 
