Windows Update icon disappears while clicking

This issue occurs because the Wups2.dll file that is included in the latest version of Windows Update is not installed correctly.


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

1. Stop the Automatic Updates service. To do this, follow these steps:
   1. Open the Command Prompt window. To do this, click Start, click Run, type cmd, and then click OK.
      
      
      
      
      
      
   2. 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:
   1. 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
   2. Click OK if you receive a verification message.
   
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 window. To do this, type exit at the command prompt, and then press ENTER.
   
   

These steps applies to Windows Server 2003 as well.