See if this KB help:
http://support.microsoft.com/default...b;en-us;878474
"Tam" <(E-Mail Removed)> wrote in message
news:011501c48d37$f8215bf0$(E-Mail Removed)...
>I have a 64-bit, AMD Athalon laptop with XP home edition.
> I installed SP2. Now I'm having all sorts of issues with
> my computer locking up and I have to shut down wit the
> button...task manager won't open. I've tried removing
> through Add/Remove programs and Restore to previous state
> with both regular and safe boot mode. Neither works.
> Add/Remove says an error occurs and cannot. Restore says
> no changes have been made to my computer. I would
> reinstall XP, but it came on my laptop at purchase and I
> don't have installation CD other than my system restore
> CD.
>
> What else can I do to uninstall besides rebuilding my
> machine?
>
> thanks,
> t