PC freezes at certain Games

[schlurbi]

Right, I got myself a new PC half a Year ago. It's fine, but I've got one Issue:

It freezes at some Games without a Warning. It's not all Games, it's just a few.
Freelancer is one of those Games. So far I've also had that with Hitman:Absolution and Star Trek Online.

Everything else works fine. Does anyone know what those Games have in common and why it could cause my PC to freeze?

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"Who is it doing this synthetic type of alpha beta psychedelic funkin'?"

[Echo 7-7]

First question to ask when gaming: Are your graphics drivers up to date? Are there known issues with your graphics card and the game in question?

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There was a sig here, once.

[schlurbi]

First question to ask when gaming: Are your graphics drivers up to date? Are there known issues with your graphics card and the game in question?

Graphic Drivers are up to date and I haven't found anyone with the same Issues.
Graphic Card is nVidea GTX 560 btw.

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"Who is it doing this synthetic type of alpha beta psychedelic funkin'?"