I dedublicate here, becuase the report https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1041026
is not very specific and fails represent the informations that are provoded here within the logs. ** This bug is no longer a duplicate of bug 1041026 could not calculate the upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1059770 Title: software updater stops: error calculating the changes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1059770/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs