Create a .REG file with the following contents, then run it:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU]
“UseWUServer”=dword:00000000
Create a .REG file with the following contents, then run it:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU]
“UseWUServer”=dword:00000000