[Bug 1874320] Re: error: cannot open `/boot/efi/EFI/ubuntu/grubx64.efi': Input/output error.

[Sebastien Bacher]

** Summary changed:

- i instal ubuntu but grub is not working and windows directly open grub is not shown and then i reinstall ubuntu it crashes and says fatal error so plz solve these errors thanku.
+ error: cannot open `/boot/efi/EFI/ubuntu/grubx64.efi': Input/output error.

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https://bugs.launchpad.net/bugs/1874320

Title:
  error: cannot open `/boot/efi/EFI/ubuntu/grubx64.efi': Input/output
  error.

Status in grub-installer package in Ubuntu:
  New

Bug description:
  grub installer is not working and i reinstall ubuntu its crashes and
  fatal error.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.14
  ProcVersionSignature: Ubuntu 5.3.0-28.30~18.04.1-generic 5.3.13
  Uname: Linux 5.3.0-28-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.9
  Architecture: amd64
  CasperVersion: 1.394.3
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Apr 22 15:53:23 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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