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The "joys" of Windows Update not working in Windows XP, Vista, 7, 8/8.1 and 10 are numerous: not receiving or not being able to install updates, repeated installation of same updates, or in worse cases, endless reboot cycles in Windows Vista and later.
Unless it just "checked if they existed," & skipped them, didn't appear to change anything.
I'm curious why the 32 bit Vista, 2 core machine - needs 50 - 60% CPU - for 12, 18, 24 hrs & still never finishes.
If it works, you can delete the folders and catroot2old. The troubleshooting of this event depends on the actual error code reported in the event description.
There could be many reasons for an update failure but the suggestions found on various website should be followed only if the error code matches the one reported in your particular case.
New computers are added to the network with the understanding that they will be taken care of by the admins.
x Windows Update installs a Windows Update (or hotfix) from a given path.
Windows 8 (not 8.1) stopped receiving updates after 12th of January, 2016.
Current users can upgrade for free to Windows 8.1 via Windows Store.
No errors on failed installations - anywhere I found.
Windows Update no longer initiates on Windows 2000 unless the following 4 requirements are met:1) Windows 2000 Service Pack 4 is installed here (alternate link)2) Update Rollup 1 for Windows 2000 is installed here (alternate link)3) Internet Explorer 6.0 Service Pack 1 is installed (here)4) Windows Update Agent 3.0 is installed - most important!