Hi Marco and thanks for your responses.
I am on Ventura 13.3 actually.
After posting last reply once the uninstall was complete, I actually decided to do another reboot and then try to perform a clean install. This seems to have helped with ESET CyberSecurity complaining 🙂
However, my original problem still persist. If I need to access my routers admin interface, then I need to disable all 3 protections for Web and Email Protection, close browser and wait 5 minutes. Then it works. Not that it worked in old version, but with this super simplified setup, I can't even do filter lists.
How should I proceed now?