Recently for me the Channels Settings page from Chrome only displays spinning arrows. All pages work and tv recording and viewing work. DVR server is Windows 10.
Does the same with Firefox and Edge and also when accessing the Settings page from a tablet on the local network. The Troubleshooting page stop with spinning wheels at "System Firewall"
The Chrome DevTools Network tab constantly shows Channels accessing troubleshooting?expensive=false for both Settings and Troubleshooting.