package grub-efi-amd64-signed 1.34.1+2.02~beta2-9ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Mario Lanao]

Tried to do updates for Ubuntu 14.04

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: grub-efi-amd64-signed 1.34.1+2.02~beta2-9ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
Date: Mon Nov 10 09:27:34 2014
DuplicateSignature: package:grub-efi-amd64-signed:1.34.1+2.02~beta2-9ubuntu1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-02-11 (271 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.34.1+2.02~beta2-9ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to trusty on 2014-04-25 (198 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.