@Sanan As I have shown above it is not neccesary to do, but well, it could be helpul.
Havwe you time to upgrade your system to the latest ubuntu-release upgrader a retest? If you want: Please enable the proposed repositories and run from command lilne sudo apt-cache update and after this sudo apt-get dist-upgrade With this you will have for sure the latest packages for Quantal. After this start your system new(recommend, because of kernel upgrades) and than retry with the distribution upgrade. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1166048 Title: dist-upgrade12.10 -> 13.04 failed on ubuntu-desktop, and ubuntu- release-upgrader package itself To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1166048/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
