HP centrino laptop used by multiple people. According to owner, a week ago, for no reason, it started behaving funny. System Restore did not solve the problem. Owner has several anti ad/spy ware programs, including spybot. Problem is IE or firefox wouldn't open, safe mode or otherwise. Clicking the shortcut (I checked, they had the proper path in Properties) would produce a little hard drive action, but no window would pop up. norton 360 was installed, but owner claimed norton was having update problems, partially due to a seperate problem, a dying router, so I installed AVG, via USB drive, an
