Windows Update fails with code 800B0001 when checking WSUS (works for web updates) after installing latest version of Windows Update software

STEP:1

Click Start, click Run, type cmd in the Open box, and then click OK.

STEP:2

At the command prompt, type net stop wuauserv, and then press ENTER.

STEP:3

Click Start, click Run, type regedit in the Open box, and then click OK.

STEP:4

Locate and then click the following registry subkey:

STEP:5

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate

STEP:6

In the details pane of Registry Editor, delete the following registry entries:
PingID
AccountDomainSid
SusClientId
SusClientIDValidation
STEP:7 Note Windows Update Agent 3.0 adds the SusClientIDValidation value. This value was released in May 2007. The other registry entries exist in both Windows Update Agent 2.0 and in Windows Update Agent 3.0.

STEP:8

Exit Registry Editor.

STEP:9

At the command prompt, type net start wuauserv, and then press ENTER.

STEP:10

At the command prompt, type wuauclt.exe /resetauthorization /detectnow, and then

STEP:11

press ENTER.

STEP: 12

Wait 10 minutes for a detection cycle to finish.

If the issue is still not fixed, it can be a very critical problem with your computer affecting your personal data and the Windows Operating System. You will have to chat with our Experts or you can check with your local technician to get the problems fixed with very high priority.