[Bug 1767438] Re: Not able to install ubuntu 18.04 :-(. Crash on installing. Please respond ASAP.

[dino99]

*** This bug is a duplicate of bug 1767703 ***
    https://bugs.launchpad.net/bugs/1767703

** This bug has been marked a duplicate of bug 1767703
   bootmanger : Calling 'apt-install grub-efi-amd64-signed' failed

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https://bugs.launchpad.net/bugs/1767438

Title:
  Not able to install ubuntu 18.04 :-(. Crash on installing. Please
  respond ASAP.

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  Not able to install ubuntu 18.04 :-(.
  At first and second time, it crashes at starting point of installing step.
  After that at third time it at-least start installing ubuntu 18. But grub installing part crash.

  Please respond ASAP.

  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
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.394
  Date: Sat Apr 28 03:24:17 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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