Hello all, My friends pc boots up to a desktop and then it hungs ie. icons do not open and eventually it shuts down. He is having 80gb and is now left with 2gb free space. he says he has seen what he thinks is a virus called "BRONTOOK when it pops up it shows as if the PC is searching the net (its green in color) He has tried anti virus but failed" The pc has never been connected to the internet. How can I help him?