High end computer continuously crashes while playing the Sims 3 at high graphics.

[Matt014]

I was playing the Sims 3 at the highest graphics, then suddenly my computer went black (although still on) and the fans went into overdrive. While this was happening, my glowing keyboard and mouse would repeatedly turn on and off. I turned off my computer and tried to play again and it did the same thing. Here is a crash log.
Does anyone have any idea what caused this to happen? I feel that my computer should be more than capable of handling high graphics on the Sims. Here are the specs for my computer.

 

[carnageX]

What are your CPU and GPU temps while the game is running?

 

[RackMount.IT]

I had this problem and was told its most likely, HEAT, PSU, or bad MOBO, or MOBO shorting out on the case.

Not sure what it was, I simply reinstalled all my pc hardware, cleaned the fans and case filter / screen, applied new thermal paste to the cpu cooler and moved the wires to promote better case air flow. Haven't had a shut down in 5 months. (And it would happen every 2-3 hrs playing a steam game)

 

[Matt014]

What are your CPU and GPU temps while the game is running?

CPU was at 55 and GPU was at 68.