Software for Microsoft LifeCam Cinema is what cause the computer to lock up. My HP locked up the fist time, new software or video files corrupt. I did a good Recovery. My HP loaded all drivers, when I loaded Microsoft LifeCam Cinema files every thing Locked Up. I've tried every repair program with my recovery disk plus F6, F8, F11, pulled all memory out and reinstalled memory, checked all wiring in case. Been at this for three days. need help.