blue screen: DRIVER_IRQL_NOT_LESS_OR_EQUAL

it's been 55 mintues, and nothing is happening...cursor is blinking underneath "scanning for infected files...this typically doesn't take more than 10 minutes. howeer, scan times for badly infected machines may easily double

Okay if it seems like it's hung, restart the process and try it again.

ok, tried again, starting at 5:50pm...20 minutes later, no progress...is there something else I can try?