I have the exact same problem. To me it seems that there is some hidden memory leak somewhere in the game.
If I set my graphic details to “very high”, my machine crashes every few minutes. On high, it worked fine yesterday (I exited the game normally after about 50 minutes), but today it crashed after about 15 minutes of playing.
The game run smooth in the “high” as well as the “very high” setting, by the way.
If you need any additional info or log files, just tell me where I can find them, please.
My specs:
AMD Phenom II X6 1075T @ 3,0 GHz
8 GB RAM
NVIDIA GeForce GTX 660 Ti (Driver Version 9.18.13.4448 [2014-10-16])
Windows 8.1 64 Bits
I tried to attach my DxDiag report, but that impossible due to the file type limitations of the upload feature. Pasting the content as part of the post is also impossible, because it’s also over the text size limit.