This bug has already been fixed https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/887249
I see you are running 11.10, the fix is in 12.04, please see the patch https://code.launchpad.net/~manishsinha/software-properties/fix-887249-handle-404-error/+merge/81488 if you want to port it to elementary (I assume Sergey "Shnatsel" Davidoff is an elementary contributor) ** Changed in: software-properties (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/912250 Title: add-apt-repository crashes when I enter a PPA that doesn't exist To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/912250/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs