Gmod Crashing with no reason

After like some minutes of play,it crashes: When an img hav to be rendered (q menu),when I spawn something.when im shooting,when I die or just crash.
Cleaned console,cleaned cache,reinstalled,took of addons,ran on low but nothing worked.

Help

What is your computer spec

CPU
Video card
System Ram
OS

its the damn game dude i have the same issue and i have a kick ass computer(run crysis at high with 30-35 fps) the last update fucked gmod making it very unstable