I tried your suggestion Simon, but it did not help I then uninstalled and re-installed 'shim-signed' but the error still remains:
#### Setting up shim-signed (1.5~12.04.2+0.4-0ubuntu4) ... install_device not specified. Usage: grub-install [OPTION] install_device Install GRUB on your drive. #### -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250611 Title: shim-signed update unrecognized option To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1250611/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
