Windows 10 failing to check for updates. any way to update manually?

Ranning some cab file that was supposed to fix things but all it does it make windows check for updates again, it tries for a while then goes back to a warning message about there not having been any updates installed for "some time". restarted win update service etc and no joy.

when it came to the creators update there was a little exe you could run to update. is there no program like this i can run?