You could try this link
http://support.microsoft.com/search/...de=s&cat=False
I found info which solved a similar problem. JaxBT
----- Original Message -----
From: "craig84" <craig84@discussions.microsoft.com>
Newsgroups: microsoft.public.windows.vista.performance_maintenance
Sent: Thursday, August 09, 2007 10:22 PM
Subject: wont restart/shutdown
> my vista does not restart or shutdown i have to manually crash it, none of
> the shutdown/restart/logoff buttons do a thing but crash it. i been
> sending
> this error report for 6 months now, i'll be doing nothing untill one of
> you
> kind souls can help me. thankyou so much!!!!!, in advance
"craig84" <craig84@discussions.microsoft.com> wrote in message
news:9B417953-EC98-4C16-BAF6-D1BEBC0A33E9@microsoft.com...
> my vista does not restart or shutdown i have to manually crash it, none of
> the shutdown/restart/logoff buttons do a thing but crash it. i been
> sending
> this error report for 6 months now, i'll be doing nothing untill one of
> you
> kind souls can help me. thankyou so much!!!!!, in advance