答案1
显然重新安装似乎可以解决这个问题。
sudo dpkg -P nordvpn
sudo dpkg -P nordvpn-release
cd ~/Downloads
sudo wget -qnc https://repo.nordvpn.com/deb/nordvpn/debian/pool/main/nordvpn-release_1.0.0_all.deb
sudo dpkg -i ~/Downloads/nordvpn-release_1.0.0_all.deb
sudo apt update
sudo apt install nordvpn
nordvpn login
nordvpn connect