You're going from Lucid to Precise, right? Maybe it is an issue with the drastic changes between the two versions. Thank you for reporting. :)
~Evan Peck (colors) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1132133 Title: "could not calculate the uprade" when transitioning to latest version of ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1132133/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
