I have the same problem and i have reinstalled the OS Drivers an all is for not
"As has been stated this just happens at random, I can be walking along a path then the game freezes and I have to use Task manager to kill it, I will be midfight and crash, I will be opening a menu and crash, I will be standing still and crash at some point only realizing I did because I can't move (animations still play and everything)
And its not like at set times, it can be 1 minute into play, an hour into play or anywhere in between... "
i just bought the game 3 days ago and cant play for more then 10 min
...
