[Bug 1786060] [NEW] grub installation always fails .

[Hamza]

Public bug reported:

I have a PC with 1Tera hard disk and used to work on windows 10 .. 2 days ago I tried to install Ubuntu using USB ( i tried FAT32 and NTFS Modes .. I don't actually know what they mean but  tried both as grub always fails to get installed ) .. I didn't change any settings at this point .. I used my C partition (100 GB) to install Ubuntu on it by dividing it to 10GB swap and 90GB as ext4 root ... 
my problem started when a warning appeared asking me if i want to force UEFI Installtion and i choosed "continue in UEFI mode" then the i had this error " 'grub-efi-amd64-signed' package failed to install into /target/. without the GRUB Boot loader,the installed system will not boot. " i cancelled installtion and tried another one but this time i choosed "Go back" rather than continue in UEFI Mode .. and i got another error that grub installtion failed .. i even changed UEFI Mode to Legacy mode and the same issue happened again :) i don't understand what i'm doing but i had to try :D

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.4
ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CasperVersion: 1.376.2
Date: Wed Aug  8 17:09:08 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
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)

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


** Tags: amd64 apport-bug ubiquity-2.21.63.4 ubuntu xenial

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https://bugs.launchpad.net/bugs/1786060

Title:
  grub installation always fails .

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I have a PC with 1Tera hard disk and used to work on windows 10 .. 2 days ago I tried to install Ubuntu using USB ( i tried FAT32 and NTFS Modes .. I don't actually know what they mean but  tried both as grub always fails to get installed ) .. I didn't change any settings at this point .. I used my C partition (100 GB) to install Ubuntu on it by dividing it to 10GB swap and 90GB as ext4 root ... 
  my problem started when a warning appeared asking me if i want to force UEFI Installtion and i choosed "continue in UEFI mode" then the i had this error " 'grub-efi-amd64-signed' package failed to install into /target/. without the GRUB Boot loader,the installed system will not boot. " i cancelled installtion and tried another one but this time i choosed "Go back" rather than continue in UEFI Mode .. and i got another error that grub installtion failed .. i even changed UEFI Mode to Legacy mode and the same issue happened again :) i don't understand what i'm doing but i had to try :D

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.4
  ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
  Uname: Linux 4.10.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Wed Aug  8 17:09:08 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  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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