Yesterday when I signed on with my Vista and went to Critical Updates, I saw
there was an update:
Windows update agent 7.2.6001.788
I clicked OK for the download. When the download finished, I was immediately
transferred out of Critical Update page and back to my Google page. I looked
in the Update History and saw the the Windows Update Agent was successfully
installed.
Today when I turned on the Vista, I saw that it was going through steps 1-3
(saying please do not turn off computer). When the steps 1-3 finished, the
computer screen came on.
I went again to Critical Update, but it would not go through. I kept getting
this message:

windows could not search for new updates
error(s) found code 80244022
Windows update encountered an unknown error

What is going on?

See original here:
Critical Update

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