Posted 04 March 2005 - 06:58 AM
Have a look at the items in the System Tray (right hand end of Taskbar) and turn them off manually one at a time then see if it shuts down. By trying the items one at a time it might be possible to identify the program which is causing a conflict.
If there are any other peculiarities with the machine operation (such as unexpected popups) consider posting a HiJack This log in the appropriate area of this site.
I'd like to die peacefully in my sleep like my grandfather, not screaming in terror like his passengers