[Bug 1796595] Re: "The 'grub-efi-amd64-signed' package failed to install into /target/. Without the GRUB boot loader, the installed system will not boot." with Ubuntu 18.04

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub-installer (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1796595

Title:
  "The 'grub-efi-amd64-signed' package failed to install into /target/.
  Without the GRUB boot loader, the installed system will not boot."
  with Ubuntu 18.04

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  I've tried to reinstall Ubuntu 18.04 on my PC alongside Windows 8.1. I
  already had a dual booting working machine (with 16.04, then updated
  to 18.04) for a while, but when trying to reinstall the Ubuntu
  partition I get this error, even if with the first installation
  everything worked fine. I have an Asus x552CL, I don't know how to
  understand if it's a problem with Bios or UEFI and how can I change
  the options or resolve it.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.6 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CasperVersion: 1.394
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Oct  7 23:03:42 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  ProcEnviron:
   LANGUAGE=it_IT.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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