Well now this is interesting.

Buried DEEP in the Network and Sharing Center, via a link on the left side menu is a link marked "Change Advanced Sharing Settings". Way down here, well away...

Okay

There is very little in my McAfee firewall settings that mentions or governs the "private" or "public" status of my network connection. IF I look under firewall settings I can find a section...

ugh...

Seems to be a number of steps missing here mackjay. When I click "connect" in my notification area I never see any firewall or Anti- Virus app things. So I am missing something here.

Never stupid, but, in my earlier post I did state that my connected devices pane "saw" the T.V.
I am pretty sure it could not unless the WIN 10 PC and the TV were on different networks.

Also...

Thank you. Very informative. But as I was trying to cast some TV over to the Smart TV from my PC using KODI. This is a significant, albeit annoying issue. Now I need to figger out how WiFi...

I am having the same problem.

I have, per the last instructions, removed the offending device.

I then navigate to the WIN 10 Devices page to confirm it is gone. Secondly I navigate to...