[Bug 1796595] [NEW] "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

[LM]

Public bug reported:

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)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic ubiquity-18.04.14.6 ubuntu

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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:
  New

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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