Can you run sudo dpkg --configure -a it should install anything that is not fully installed. once this is ran can you attach any output it gives you unless it dumps you back into prompt. to check the version of ubuntu installed type "lsb_release -a" in terminal without the ".
-- Update Manager could not calculate upgrade https://launchpad.net/bugs/80988 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
