I have problem in graphic card that is, Whenever i use camtasia studio 7 or 6 on pc (7 and vista) the mouse gets stuck to a place like a spider! and after 30-40 seconds the monter gets black and a message is show in notification of taskbar say "nvdxxx has lost and recovered. i tried google but no use! Help me out please I have 2 GB RAM DDR2 580 GB HDD and 15-Inch Mointer (CRT)