Does anyone know why my computer goes to a blackscreen sometimes when I try to log off or shutdown the computer. It goes to a blackscreen and the monitor is still on though, and when Im shutting down, the hd's turn off but the blackscreen stays with the monitor on. I have to hold the power button to turn off the PC. What could be problem?

Try the following. Changes to your system do not take place until after a restart. Since your problem is a shutdown problem, you will have to restart twice after each system change. Also you could enter the Safe-Mode and try a shutdown from there. How to Perform a Clean Boot in Windows XP To help troubleshoot error messages or other issues when you cannot determine the cause of the issue, disable common startup programs, settings, and drivers to eliminate possible software conflicts when you start Microsoft Windows XP. This procedure is known as "clean booting." ------------- (Can be done by way of Windows Safe-Mode, if normal Windows does not work, A Description of the Safe Mode Boot Options in Windows XP logon as Administrator, but where it says RESTART, restart into normal Windows.) ------------- How to perform advanced clean-boot troubleshooting in Windows XP and that one is a heavy duty article. Print the articles for reference. ---------------- Also do you check for and remove Spyware: Spyware info.from Microsoft