well something happened with my pc whenever i move my mouse during a game or little like flash movie it lags and I cant play any of my favorite games because I lag :( ANY help would be greatly appriciated (I hope I spelled that right!)
and sorry if this is 'game related' :/
you kno, it may help if u give some stats about ur computer drivers blah balh and when it started happening, did u update something and the next day it heappened
try running an anti virus program or spyware. i had that once and found 36 'units' of spyware on my computer holding it back. could also just be a one time thing.