Open an elevated command prompt, and type the following commands. Press ‘ENTER’ key after each command:
There may be some errors on registering on the DLL, which can be ignored. Once re-registered, check for updates again. In most case, Automatic Update will work almost immediately. If trick does not work, try to disable UAC. You can always re-enable the UAC once the Windows Update gets working again.
From here; click here
I know you said you don't get a code or any result at all but this is worth a try.