Could not connect to system event notification service

I get this message shown.

I've tried everything on this link https://softwarekeep.com/help-center...e-on-windows-7
Everything seems to be in order. All the services are running fine when I check the Services Console.
I got no other issues just the popup. I'm also an admin on the PC and there are no other users so if this only affect simple users then I won't be bothered but it annoys me to see the message.
I see on the event viewer on error:
The winlogon notification subscriber <GPClient> was unavailable to handle a critical notification event.


Any help?
Thanks.

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