You seem to have ubuntu-x-swat/x-updates and xorg-edgers/ppa PPA installed. As stated in the description of those PPAs, you must purge them before attempting to upgrade your installation. So please do that and try again...
** Changed in: update-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1126896 Title: 12.04 to 12.10 upgrade failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1126896/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs