I am running on a Windows 7 64-Bit. It was put together and Windows 7 installed a few days ago (Wednesday 6th June 2012) from brand new parts. I have a link that contains details for most of my build, if any other details are required, I should be able to provide them. I heard the problem may be something to do with my 400w PSU, but I'm not sure. When it crashes, I usually do not see a blue screen, but I have seen it once. It usually just freezes for a second and my monitor goes black and I the computer restarts with the option to go into safe mode. I have attached the files required, if anything else is needed, please let me know. The crash has happened during internet browsing, gaming and other tasks, but I have not experienced it whilst it is idle or downloading files in the background. I have ran all 3 tests on Prime95 for 2-3 hours each and I have received no errors. I also ran Memtest86 for 3 passes with no problem. With Furmark burn in, my GPU seems to level out at around 74-75 degrees celsius after around 5 minutes. I don't think I have any overheating problems with my hardware. I am not overclocking anything. CPU-Z Screenshot Here is a copy of the error I receive when I restart: Thanks in advance for the help!