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.