i am facing this problem from last 1 week. Many times after using my laptop for 15 to 20 min everything disappeared from the desktop even the task bars and all the icons. i am confused what to do. i tried to do the system restore but even that is also not working. even after removing the anti virus it shows the error that due to anti virus installed system restore fails. what i do i am feeling help less. please reply. i am attaching the screen shot of my desktop that how it looks when the problem occurred.