Hello. We'd suggest to try disabling the CyberSec feature under the settings of our extension and clearing your browser cache. In case it does regardless, do not hesitate to reach our customers' support team at support.nordvpn.com regarding instant assistance on any inquiry related to our service. -G.M.
The FireFox add on works great in browser for those that need a visual representation. Prevents DNS and RTC leaks. I have run Nord on Windows 10 & 11, Fedora, Ubuntu, Mint, Android, etc with no problems.
