I have a Mythbuntu base install w/XFCE (Xubuntu desktop) and added Ubuntu desktop & Kubuntu desktop. Removing Ubuntu desktop has allowed me to do the distribution upgrade. Thanks to all for your help.
-- system upgrade 9.10 --> 10.04 could not calculate upgrade when both xubuntu-desktop and ubuntu-desktop are installed https://bugs.launchpad.net/bugs/571743 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