I'm afraid this is still happening for me and I am unable to launch this at all on a fresh install of Quantal beta 1 (with all updates applied).
software-properties-gtk: Installed: 0.92.3 Candidate: 0.92.3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1028388 Title: software-properties-gtk crashed with KeyError in show_drivers(): 'model' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1028388/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs