I recieve an error 'grub-efi-amd64-signed' package failed to install

[Nikhil Kumar]

I am installing ubuntu 14 using USB. The installation work well till the error massage is shown telling that grub-efi-amd64-signed' package failed. I have tried to install ubuntu 16 also. Same error was with that too.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8.13
ProcVersionSignature: Ubuntu 4.4.0-31.50~14.04.1-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CasperVersion: 1.340.2
Date: Sat Aug 5 13:23:04 2017
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
ProcEnviron:
 LANGUAGE=en_IN
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

Your EFI system partition is corrupt; you will need to repair it with either dosfsck or Windows' chkdsk/scandisk.