Se l'estensione non viene installata, Installare la versione FireFox 66.0.4 o fare l'aggiornamento a questa versione e reinstallare l'estensione.
If the extension is not installed, install the FireFox 66.0.4 version or upgrade to this version and reinstall the extension.
Buono, Good!! Intanto aspetto che NordVpn si possa vestire da firewall/router software (forse...desiderio...), ma anche un IP/Port Filter e url filter non sarebbe male. :-)

instead of remembering my login and country i have picked every time i open FF you have to reenter your credentials and connect to the country you had chosen before, again manually.

Don't fucking bother using nordvpn. Firefox addon support is crap even in 2020. I regret recommending this to couple people.
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The stupid addon keep disconnecting and request another auth. wtf

It's 2019 an it's still happening. sucks. Keep doing 'requesting a username and password. The site says: “NordVPN”'
Why can't they just publish their sources on github!?

Good privacy and security

I've used NORD for years and have zero problems and some minor tests show it's secure. Does what I want. Works on Window_crap to. I use it on my Android it works.