Thanx for showing me what you did. I did do the denyall command, and checked to see if my network was on the list (it wasn't), then I "allowed" my own network back in and it was the only one listed....

To block unwanted networks, I went to the command prompt and entered the following:
netsh wlan add filter permission=denyall networktype=infrastructure

To hide that network, I entered:
netsh...

Thanx, John...I'm not using Wi-Fi Sense because it says I have to log in to a Microsoft account first, and I don't have a Microsoft account. I did check out the websites you suggested, but didn't...

It comes up in the list of available WiFi networks but it isn't a network that I have ever connected to. I'm connected to my own private WiFi network and have never seen another network show up on...

Someone else's network keeps popping up in my list of networks in the Windows 10 Action Center. I've used a cmd prompt and followed all instructions for using "netsh wlan" commands to deny all (and...