package grub-efi-amd64-signed 1.46.1+2.02~beta2-22ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Dennis Ellison]

would not load

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: grub-efi-amd64-signed 1.46.1+2.02~beta2-22ubuntu1.1
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Date: Thu Jul 9 18:41:30 2015
DuplicateSignature: package:grub-efi-amd64-signed:1.46.1+2.02~beta2-22ubuntu1.1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-08-02 (341 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.46.1+2.02~beta2-22ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to vivid on 2015-04-25 (75 days ago)

[Launchpad Janitor (janitor)]

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