Well just from looking at your system specs there could be a few things going on. Top four problems, Drivers, updates (Windows and everything else even chipset drivers), heat ( since you said it crashes after playing a while) and conflicting programs.
What OS are you using and is it 64 bit or...
I do to CR. It's all on the right side of the L shaped desk hiding from the pic lol
I do however try to keep up on it because If I don't the computer will get full of dust and I hate cleaning the inside of the rig.
Sup boy's
Since I play on your Locker server a lot I figured I would stop by and say hello.
Little about me:
I'm 39 ( I know I'm old lol) Married with children <<< Love that show lol I'll give you 3 guesses where I live. Yup you got it I'm a Masshole :)
I work as a Landscaper (...