I'm am also getting a "Could not calculate upgrade" error. I've tried several times, with reboots in between.
** Summary changed: - Could not calculate upgarde. + Could not calculate upgrade ** Attachment added: "apt.log from today's attempt" http://librarian.launchpad.net/5387734/apt.log -- Could not calculate upgrade https://launchpad.net/bugs/64859 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs