just installed geforce 6600 gt and reformatted pc when ive come to using pc all is fine i can play battlefield 2 fine and go online with no problems but if i want to view a video clip on or offline like a movie trailer even before it starts to buffer it always freezes locking pages banging processes up to 100% i then more then likely have to restart machine as it takes to long to try and wait for it to move cant even move mouse cursor properly its never done it before are there some settings im missing . ive never come across this before always been able to view videos and trailers please can someone help as i really got no idea what to do next ive got media player 10 quicktime and real all lock up the same done scans for spyware and virus's none to be found just put all on yesterday tried updates but still does the same ........please help thanks guys .......................nathanm965@aol.com