Make sure you only use Internet Explorer when accessing the
Windows Update Website. Also, perform a Disk Cleanup first.
Go to Start > Run and type: CLEANMGR.EXE , and hit enter.
This will start your disk cleanup utility. Make sure to cleanup
your Temporary Internet Files.
Review the troubleshooting tips in these articles:
Catalog install fails with sp1, then the other errors for
other updates just says fails reinstall on the update
page. they do download. I have tried them one at a time
and together always same thing. It is only the critical
updates all others do install.
I defragged and cleaned out temp folders, Downloaded Sp1
full(125 meg) tried to install starts then Service Pack 1
setup error- Failed to install catalog files.
It is very likely you have been infected with a virus?
Several disable windows update functions. Blaster virus
can do this. Use ctr-alt-delete to see if a process called
msblast is running. I had the virus on my machine with no
other symptoms then not being able to update windows.
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