Problems with windows updates? System takes forever to shut down?

Most problems with windows updates can be fixed by one of the two following methods :



If none of your updates are installing (they all say installation failed), it's possible the windows update files have become corrupted.
Stop the windows update service - right click "my computer", click "manage" then navigate to : services and applications > services

find the automatic updates service and stop it (right click > stop)

then delete the folder c:\windows\softwaredistribution (or replace c:\windows with wherever your windows installation is), this contains all the windows update files. don't worry, the folder will be automatically recreated when windows update is next run.

start the automatic updates service again and run windows update once more. updates should be re-downloaded and should install fine.




If windows update itself fails with an error code, there are a number of causes for this. In fact at one point, installing SP3 caused this very problem!

Here's the fix.
at the run prompt, type exactly as written :
notepad c:\fix_wu.cmd

notepad will open and prompt you to create a new file, choose YES.
Note : we have to open notepad this way because we need a file with .cmd extension, any other method will always add the .txt extension.

then, inside notepad, paste the following code :

net stop wuauserv
regsvr32 /s wuapi.dll
regsvr32 /s wups.dll
regsvr32 /s wups2.dll
regsvr32 /s wuaueng.dll
regsvr32 /s wuaueng1.dll
regsvr32 /s wucltui.dll
regsvr32 /s wuweb.dll
regsvr32 /s jscript.dll
regsvr32 /s atl.dll
regsvr32 /s softpub.dll
regsvr32 /s msxml3.dll
net start wuauserv

save (NOT save as !) the file

then go to run and type "c:\fix_wu.cmd", windows will run the script and window updates should be fixed - revisit the windows update site to confirm.

Another symptom caused by this is difficulty with shutting down a system, where it would take a very long time to shut down, even on a relatively clean machine. Even manually closing processes in the task manager doesn't seem to hurry up the process, which could take well over 5 minutes. And if you don't ever visit the windows update site, you may be completely unaware of a problem with windows updates, or you may be aware of the problem but not realize that it has any connection with the slow shutdowns whatsoever.

The only information that can be found is in error message in the event viewer : "The server {9B1F122C-2982-4E91-AA8B-E071D54F2A4D} did not register with DCOM within the required timeout.", which annoyingly, doesn't really tell us anything.

However, all of these things are related, and the above (second) fix for windows updates does in fact solve the problem.