Hello, i am also having this same freezing in World of Warcarft and CS:S. about 20 mins in i freeze also i tryed a stress test of video and other componets and it freezes when i try a 30 min test. but a 10 min test runs fine. i have tested memory with memtest86 + and its fine. i am at a lost as to what it could be i have installed a new GeForce 8400gs graphics card to replace the one on the motherboard and both do the same thing. so its not video.
any help would be great i am so stressed its not funny anymore.