Here is the response to me trying: sudo apt-add-repository ppa:mutlaqja/ppa Terminal response: Executing: /tmp/apt-key-gpghome.XUfJ1eg0S7/gpg.1.sh --keyserver hkps://keyserver.ubuntu.com:443 --recv-keys 7DA5C2D272B4C6F8E7CEA9C6487CEC2B3F33A288 gpg: key 487CEC2B3F33A288: "Launchpad INDI" not changed gpg: Total number processed: 1 gpg: unchanged: 1 Read More...