Can someone help me plz?

Hi, I bought Rust through steam and is happening that everytime i am playing my pc restart automatically and this only happens i rust,when i am jsut browsing on itnernet or palying other games it doesn’t happen,can someo9ne help me the short time i spent on Rust I liekd very much the game.My pc specs:
AMd ATi radeon HD 6850
Phenom x6 3.3 ghz

Help plz

(User was banned for this post ("undescritpive thread title" - postal))

Provavelmente um bug, mas estranho reiniciar o PC, pode ser pouca memoria.