On several machines, KB976569 install via Automatic Updates is taking forever. The message is "Installing MIcrosoft .NET Framework 2.0 Service Pack 2 Update for Windows Server 2003 and Windows XP x86 (KB976569) (update 1 of 1)" forever. Ok, 7+ hours and counting.

The overall progress bar is stuck around 50%, and isn't moving. No task in the process list is using any CPU time, (all are at 0% except taskmgr, and system/svchost type stuff).

I have found discussion but no solution using google. I suspect that this is a glitch where Windows Update decided to install an update to something that isn't actually installed, and thus, the update fails to install. A core defect in their Auto Update architecture that results in unapplicable updates getting detected as required.


Known issue with anti-virus. If you have AV running, especially Kaspersky or Norton, try disabling them to see if it fixes the issue.

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  • We have panda corporate and there is no way to disable it other than an uninstall. (Good reason why Panda is a rotten anti-virus.) – Warren P Jul 30 '10 at 18:34
  • My money is on the AV. Panda is a really buggy program. Check with your Admin to see if you can try it on one PC segregated from the network or something to see if it fixes it. – JNK Jul 30 '10 at 18:35
  • I have the network admin password, and I can remove Panda, so I'm trying that. – Warren P Jul 30 '10 at 18:44
  • Let me know if it works! – JNK Jul 30 '10 at 18:45
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    Didn't work, but killing the three msiexec.exe processes twice, followed by a visit to Windows Update site, instead of relying on automatic-updates, seems to have jogged the system out of wanting to install this update. – Warren P Jul 30 '10 at 19:03

I wanted to add this answer because it was what actually worked for me.

  • Go into task manager, kill all MSIEXEC.exe processes. Repeat as necessary.
  • Go to Windows update website instead of relying on automatic updates.
  • At some point Windows update will do some kind of hack to prevent the mis-application of not-applicable service packs.
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