Solved in my Jaunty with: sudo apt-get install --reinstall python-software-properties
apt reinstalled same version, probably an previus update corruption. -- "software sources" UI broken in jaunty https://bugs.launchpad.net/bugs/319714 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs