A newer hub may be the fix ? Not necessary. Newer hub may not solve this issue. People are having this issue when mice and keyboard only connected to PC. Let Microsoft fix Screensaver problem.

I had the same issue and in my case Screen Saver was resetting to none (no Screen Saver) and monitor was active all the time.
To fix I found that culprit is Microsoft driver that comes with "Xbox...

It is quite possible.

This method works fine.
I found that if I disconnect wireless Xbox controller (unplug receiver) - screensaver in Windows 10 Pro works fine (starts automatically after time I set).
To disable...