140F (60C) is probably too hot if it's crashing. Most of us here use Cescius btw, so if the numbers seem out of wack, try converting.
Make sure you have the heat sink properly attached. If need be, get some thermal paste. If that doesn't work, perhaps you need either a different heat sink, or an additional case fan.
Is he overclocking the processor?
60 FPS, 70 FPS, 80 FPS Crash!
Daylight comes and I have to go to work :frown: