The update-manager crash handler told me to attach files from /var/log /dist-upgrade - I'm attaching them in this and the next several comments (since it appears they have to be attached individually).
** Attachment added: "apt.log" https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/692090/+attachment/1770771/+files/apt.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/692090 Title: Upgrading 10.4 to 10.10, got "Could not install the upgrades" at the end of the install step -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs