Windows vista ultimate not updating
This created a new Windows\Catroot2 folder and a new Windows\System32\Software Distribution folder ... auth=1 Installed the latest version of the Windows Update Agent. After applying this patch, check the updates manually. auth=1 "Resetting the entire Windows Update Component manually" I did this using the command prompt as outlined in the article.
It happened when I upgraded to Windows 8.1; I had over 100 updates to download.
If not, read the Remove temporary files article on how to get rid of unnecessary files with CCleaner.
Second, verify that time and date are correct on your PC - a date in the past or the future prevents both Windows Update and Genuine Windows Validation tool from working properly.
I managed to download most of them but there were a few that failed.
Windows Update says the error code is 8007045B on the failed updates.