Please clarify what do you mean with "crashes", because it's impossible to help you with such sparse report.
It's a crash of GSX *only* ? If yes, please provide with the error log which always shows after a crash.
It's a crash of the simulator itself ? Even if this is very unlikely to be caused by GSX, please provide with a more precise description of it.
It's a crash of the whole system ? This cannot possibly caused by GSX but, again, a more accurate description of it might help. A video driver issue is the only one that can possibly crash the whole Windows.
