Computer won't shut down

[Juanita]

When I try to shut down my computer, nothing happens.
I've tried to go to start..shutdown...and restart. I
can't press ctrl+alt+delete. nothing happens. I can only
shut down by using the power button on my computer.

 

[Chris Lanier]

Windows XP Shut Down Issues
http://www.kellys-korner-xp.com/win_xp_restart.htm

Troubleshooters for Windows XP Shut Down
http://aumha.org/win5/a/shtdwnxp.htm

Troubleshooting Windows XP Shutdown Issues
http://www.theeldergeek.com/shutdown_issues_in_xp.htm