Reset Windows Update

Reregister Windows Update components

To do this, follow these steps:

1. Click Start, click Run, type REGSVR32 WUAPI.DLL, and then press ENTER.
2. When you receive the "DllRegisterServer in WUAPI.DLL succeeded" message, click OK.
3. Type the following commands in the Open box, one after the other, and then press ENTER after each command:
   REGSVR32 WUAUENG.DLL
   REGSVR32 WUAUENG1.DLL
   REGSVR32 ATL.DLL
   REGSVR32 WUCLTUI.DLL
   REGSVR32 WUPS.DLL
   REGSVR32 WUPS2.DLL
   REGSVR32 WUWEB.DLL

Rename the Windows Update temporary folder

The temporary folder of Windows Update may be corrupted. In this case, you can rename the temporary folder of Windows Update. To do this, follow these steps:

1. Click Start, click Run, type cmd, and then press ENTER.
2. At the command prompt, typenet stop Wuauserv, and then press ENTER.
3. Click Start, click Run, type %windir%, and then press ENTER.
4. In the folder that opens, locate and rename the SoftwareDistribution folder to SDold.
5. At the command prompt, type net start Wuauserv, and then press ENTER to start the Automatic Updates service.