no updates were installed message

[mark]

All; here is the message I get when trying to update

No Updates Were Installed

The following items failed to install. To try installing
them again, click Review and install updates, and then
click Install Now again.

Q817287: Critical Update (Catalog Database Corruption in
Microsoft Windows XP)
Q810243 Update: Watch television shows recorded by Media
Center PCs on other Microsoft Windows XP PCs

I have tried to re-install and I get the same message

Any Help?

Thanks