You need to install ppa-purge first. So look it up from the Software Center or run following command in terminal and retry: sudo apt-get install ppa-purge
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1133415 Title: "Could not calculate the upgrade" when upgrading to 12.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1133415/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
