Can not open 'Add-on's for settings

Add-ons will not open from Setting, Backup will not open from Setting>System.
HA 2023.6.3
OS 10.3
Does nothing but spin?

Hit F5 refresh. It’s a browser thing.

Thank you, I had to change browsers. Apparently an update caused the problem and I never thought to try another browsers.

Same with me. I just press F5. I tried clearing cache and cookies. No joy. Crazy. It’s Firefox.