I believe the cause of your error is that grub was installing to an invaild device. It tried to install to (sd0), which doesn't exist. The correct drive would be /dev/sda or (hd1), maybe (hd0).
Nov 10 20:47:22 ubuntu grub-installer: info: Running chroot /target /sbin/grub-install --no-floppy "(sd0)" Nov 10 20:47:22 ubuntu grub-installer: Probing devices to guess BIOS drives. This may take a long time. Nov 10 20:47:22 ubuntu grub-installer: Format of install_device not recognized. ** Tags added: invaliddevice ** This bug is no longer a duplicate of bug 73825 Xubuntu installer -- Installer crash on GRUB, sda. Similar to bugs #71143, 71099, 71046, 71036? https://launchpad.net/bugs/71310 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs