package grub-efi-amd64-signed 1.34.9+2.02~beta2-9ubuntu1.8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[SAYED ANOWAR]

Package operation faild.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: grub-efi-amd64-signed 1.34.9+2.02~beta2-9ubuntu1.8
ProcVersionSignature: Ubuntu 3.19.0-58.64~14.04.1-generic 3.19.8-ckt16
Uname: Linux 3.19.0-58-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.20
Architecture: amd64
Date: Thu Apr 14 20:56:47 2016
DuplicateSignature: package:grub-efi-amd64-signed:1.34.9+2.02~beta2-9ubuntu1.8:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-04-08 (6 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.5
 apt 1.0.1ubuntu2.12
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.34.9+2.02~beta2-9ubuntu1.8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)