Try the fix described on this page:
http://support.microsoft.com/?kbid=319585
It worked for me, and my problem sounds similar to your's.
G
"dreconnolly" wrote:
> Hi,
>
> I am running windows xp home edition, and have had no problems until
> recently updating files etc. Now although they are downloading fine, at the
> end I get a message that installation has failed, and to click the
> installation history link to get the error message. Trouble is...there's no
> error code. I think its something to do with windows registry being
> corrupted - but i don't even know what that means, let alone how to fix it.
> Would appreciate any suggestions.