Chrono Reaper wrote: > I tried adding the Scott Ritchie's key in the Authentication tab in the software sources tab but its not able to "visibly" show the file even if I use ctrl+h to make sure it wasnt hidden. I tried downloading the Scott Ritchie's key from other computers but i end up getting the same result. Then I drag and drop the Scott Ritchie's key file in the user file and it shows up but it wont accept it because it thinks its corrupted or not a .gpg file. What is the best course of action to get the authentication running in 9.10 Karmic have work today for me without trouble: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F9CB8DB0
