Windows won’t update after performing a Repair Install

So, you read my previous post about how to repair your windows installation, everything went well but now you can’t install Windows updates anymore. Luckily your problem has a fix. Here’s what to do…

You need to register Wups2.dll in Windows.

1. Stop the Automatic Updates service. To do this, follow these steps:
a. Click Start, click Run, type cmd, and then click OK.
b. At the command prompt, type the following command, and then press ENTER:
net stop wuauserv

2. Register the Wups2.dll file. To do this, follow these steps:
a. At the command prompt, type the following command, and then press ENTER:
regsvr32 %windir%\system32\wups2.dll
Note For a computer that is running Windows XP Professional x64 Edition, type the following command, and then press ENTER:
regsvr32 %windir%\syswow64\wups2.dll
b. Click OK on each verification message that you receive.

3. Start the Automatic Updates service. To do this, type the following command at the command prompt, and then press ENTER:
net start wuauserv

4. Exit the command prompt. To do this type exit, and then press ENTER.

You can find all scenarios and solutions in the following KB article by Microsoft, http://support.microsoft.com/?kbid=943144.

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