As i mentioned in the comment #5: "This was just one of attempts. I tried also the Ubuntu command-line install method with no updates during the installation. This reported installation attempt was using the Lubuntu live image, because this way it was easiest to create the error report."
--> the problem is not in the Lubuntu live image alone, but in the "main" Ubuntu installer image. The 16.04 LTS installer (both Lubuntu live image and for Ubuntu command- line) works fine in both of these computers, so the EFI grub package is then left away from 17.04 installer. This error report is now as complete as it can be. I can't spend more time with this problem, as I need to just get around it and get those industrial PCs into profitable use. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1690767 Title: GRUB installation fails on DFI industrial PC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1690767/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
