I barely play for 20 minutes into Assassin's creed, then my (desktop) computer reboots. I know the first thing suggested would be running my CPU at stock... But... I've been running my rig in system specs @ 3.0Ghz stable since June 2007 and never had any crashing problems. I've played notoriously problematic games like Oblivion with plenty of mods, Crysis even using the .cfg hack to get the very high settings. Not once did my pc crash on me. And when I play normally I do it in 5-hour stretches so it's not like I never gave my pc the 'occasion' to crash... lol I've checked both CPU and GPU temperatures. Btw I don't OC my GPU during gaming (only during benchmarking) so I always play at 8800GT BFG OC2 factory stocks 675 core 975 memory. CPU temperatures ingame were 55 degrees and GPU temperatures 80. I know it's kinda high but I had those type of temperatures even when playing Crysis, and during Settlers VI my GPU once got 85 degrees (for whatever reason, it never did it again) but yet I never had any problems. And with A/C my room temperature is 27 degrees which for me is quite ok. During the time I play Assassin's Creed the gameplay is perfect, everything on DX9 (XP) maximum settings, native resolution 1680x1050, no stutters. I couldn't measure the fps though because the counter on fraps got corrupt for some reason. Afaik fraps gets corrupted only if you run the furry cube - I was running atitool to log but without cube so I don't think atitool was the problem. What do you think?