[Bug 1768206] Re: The grub-installer fails on my MacBook Pro 10, 1. It worked when installing 18.4 but I need 16.4 to use certain software

[dino99]

*** This bug is a duplicate of bug 1767703 ***
    https://bugs.launchpad.net/bugs/1767703

** This bug has been marked a duplicate of bug 1767703
   Calling 'apt-install grub-efi-amd64-signed' failed

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https://bugs.launchpad.net/bugs/1768206

Title:
  The grub-installer fails on my MacBook Pro 10,1. It worked when
  installing 18.4 but I need 16.4 to use certain software

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I have tried installing 3 times and had no success

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.6 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13
  Uname: Linux 4.13.0-36-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Tue May  1 03:43:25 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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