Double click on UseWUServer and change the value to 0
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v "UseWUServer" /t REG_DWORD /d 0 /f
Double click on UseWUServer and change the value to 0
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v "UseWUServer" /t REG_DWORD /d 0 /f