You seem to have some package versions installed from an older release that may be causing an issue with the upgrader. Please try manually removing ia32-libs and and ia32-libs-multiarch:i386 and see if the upgrade can be calculated after that.
** Changed in: ubuntu-release-upgrader (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/1267154 Title: upgrading ubuntu from version 12.10 to 13.10 not possible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1267154/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs