Fixing error: W:GP error

Error: W: GP error: http://security.kali.org sana/updates Release: The following signatures were invalid: KEYEXPIRED If you have an old version of kali-archive-keyring then you will get these errors. Most kali users who regulary updete their system should have update your kali-archive-keyring package type Update apt-get install update Install keyring: apt-get install kali-archive keyring Song: "Pigeon John-The Bomb - Single version", grabación de sonido administrado por: [Merlin] Harmonia Mundi