i have the BSOD also,it come out randomly....but i know what problem its with my BSOD...its becoz my sound card is not supported by Vista Ultimate.....i using Sound Blaster 5.1 and vista cannot reconise the driver...thats why come out BSOD....i juz have to change the sound card that is supported by Vista Ultimate then it will be fine,but i lazy change so i am used to it already....u can try checking ur drivers installed in ur pc.....maybe some of the drivers is not supported by the Vista ultimate....

This post has been edited by yongkt: Dec 21 2008, 07:46 PM