Vlad,
I don't really understand. If it froze, then you weren't given a chance to do anything.
Perhaps your definition of froze is different from mine.
http://www.sevenforums.com/crashes-debugging/96879-blue-screen-death-bsod-posting-instructions.html
Once again, follow this procedure. To help you get immediate attention, then I recommend simply a fresh thread with the info that the link generates attached to your fresh thread..
I'll stay away to improve the chances of you getting a quick response from one of the BSOD analyzers.