[Bug 1774861] Re: grub-install crashes when installing Ubuntu 18.04

[Serge]

In my case the problem happened because the graphical installer wrongly
chose to install grub-efi-amd64 instead of grub-pc. Workaround to fix
this problem (after installer crashes):

1. Mount the installed system (assuming /boot is placed on the same
partition as root filesystem) and all neccessary partitions:

  sudo mount /dev/sdc1 /mnt   # /dev/sdc1 - is the partition on which I installed ubuntu 18.04
  sudo mount -t proc none /mnt/proc
  sudo mount --bind /dev /mnt/dev
  sudo cp /etc/resolv.conf /mnt/etc/resolv.conf


2. Chroot into the installed system:

  sudo chroot /mnt /bin/bash
  source /etc/profile

3. Reinstall correct version of grub 2 and configure it:

  sudo apt remove grub-common
  sudo apt install grub-pc
  sudo update-grub
  sudo grub-install /dev/sda  # /dev/sda is the primary drive on which windows is installed

4. Reboot and repeat "sudo update-grub" if Windows is missing in dual-
boot options.

-- 
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https://bugs.launchpad.net/bugs/1774861

Title:
  grub-install crashes when installing Ubuntu 18.04

Status in grub-installer package in Ubuntu:
  New

Bug description:
  Unable to install Ubuntu Desktop 18.04 using graphical installer due
  to "fuse: device not found" error.

  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
  Date: Sun Jun  3 15:02:29 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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