Its hard to tell if the ppa you passed to add-apt-repository is valid or not as apport replace the word ubuntu with hostname creating yahhhostname/boot-repair. What ppa were you using exactly?
** Changed in: software-properties (Ubuntu) Importance: Medium => Low ** Changed in: software-properties (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/956104 Title: add-apt-repository crashed with HTTPError in http_error_default(): HTTP Error 404: Not Found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/956104/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs