SP1 install hangs

Installed SP1 on 2 computers from Windows Update. One installed fine. The
other completed Stage 1 and 2 then has sat on Stage 3 with 0% complete for
over 2 hours.

What do I do?

Windows Vista Service Pack 1 (SP1) Support:
http://technet.microsoft.com/en-us/w.../cc295800.aspx

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Mark L. Ferguson
..

"eeh" <> wrote in message
news:52744D4D-B496-4EAD-8948-...
> Installed SP1 on 2 computers from Windows Update. One installed fine.
> The
> other completed Stage 1 and 2 then has sat on Stage 3 with 0% complete for
> over 2 hours.
>
> What do I do?