Originally posted by bla!!
A lot of it depends on your motherboard or BIOS settings. Many older motherboards don't have the shutdown option when windows shuts dow.
But just to be sure, check in your BIOS for any option that relates to shutdown.
No, it can't be my motherboard, cause when I had Win 98, it shutdown by itself back then. It was when I got Pro. Also, When I put Pro on another computer, it lost that feature too, so I think it's part of XP Pro.