Updated 12/9/20 I identified the problem a few weeks ago and can now use Freeview if I want to, so I thought I'd post an update if anyone is interested. I reconfigured the network so I could better see what the TV set was doing.  Freeview was attempting to contact www.googletagmanager.com and google analytics, which were both being blocked by my firewall because these sites are well known trackin…