Hello,
Try these steps and see if it helps:
Open Registry Editor.
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AU.
In right pane of AU registry key, set UseWUServer to 1.
Reboot your system and verify if the problem is resolved.
After issue is resolved, restore UseWUServer to 0.
Hope this helps!
Note: It is recommended to create a System Restore point before editing registry.