[Bug 1767703] Re: Calling 'apt-install grub-efi-amd64-signed' failed

[TaHkictOnlin]

boot repair is a special recovery disk that allows, for example, to
restore the windows boot after installing linux and vice versa. You can
download it at SourceForge.net.

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https://bugs.launchpad.net/bugs/1767703

Title:
  Calling 'apt-install grub-efi-amd64-signed' failed

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  /plugininstall.py: Exception during installation:
  /plugininstall.py: Traceback (most recent call last):
  /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1739, in <module>
  /plugininstall.py:     install.run()
  /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 61, in wrapper
  /plugininstall.py:     func(self)
  /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 227, in run
  /plugininstall.py:     self.configure_bootloader()
  /plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 971, in configure_bootloader
  /plugininstall.py:     "GrubInstaller failed with code %d" % ret)
  /plugininstall.py: ubiquity.install_misc.InstallStepError: GrubInstaller failed with code 1

  ************************
  Manual fix: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1766945/comments/3

  also see: https://bugs.launchpad.net/ubuntu/+source/grub-
  installer/+bug/1763441/comments/2

  ************************

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.394
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 28 20:39:35 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  ProcEnviron:
   LANGUAGE=de_DE.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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