A message for Linux.com registered users: We are in the process of making changes to the Linux forums. From Monday, 8/13/18 at 6:00 PM PT to Tuesday, 8/14/18 at 4:00 PM PT, you will be unable to access the forums. They will re-launch as soon as possible on Tuesday, 8/14/18 with new features and improved functionality. Thank you for your patience and stay tuned for the new improved forums.

February 14, 2011

trying to install Vendetta online game

Forums: 

installing, or attempting to from the software center, I get this message: The action would require the installation of packages from not authenticated sources.

Click Here!