Graphics Card Specs...
I bet theres a buffering issue and you have filled the cards RAM and therefore killed it and its crashed windows.
Can you see the BSOD? What message are you getting of the BSOD?
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix

Winner SM VFX Challenge 1

3rd Place SM SteamPunk Challenge (May 2007)