Unable to Install Windows Update after Installing XP SP3

If you ever get an issue in which you are not able to install the Windows Updates and you have Windows XP {any version} with Service Pack 3, do the following to get it fixed -

RESOLUTION

 

Method 1: Register the Wups2.dll file in Windows

To register the Wups2.dll file in Windows, follow these steps:

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.

 

Start the updates, it will WORK!!!