The karmic-proposed package of update-manager seems to also fix this. See bug #446552
-- version upgrade via update-manager or do-release-upgrade does not work with proxy authentication https://bugs.launchpad.net/bugs/479391 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs