Folks, I had the same problem but was able to apply this fix from another site:
https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows It is a little generic but worked for me. raja gopalan -- Grub loading. The symbol ' ' not found. Aborted. Press any key... https://bugs.launchpad.net/bugs/482757 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