I’ve seen a couple of machines reporting this error now recently. Looking on google I’m not alone as there appear to be reports popping up all over the place!
The most successful solution I’ve seen so far is to download each update and manually install it. I’m still searching for a better solution as this could be very tedious for a lot of PCs! I’ll report back when I have further information.
For now – here is some further reading:
http://social.answers.microsoft.com/Forums/en-US/vistawu/thread/6daddbdd-f7b5-4ea0-9dd8-807d2954beba