package grub-efi-amd64-signed 1.66.11+2.02~beta2-36ubuntu3.11 failed to install/upgrade: package grub-efi-amd64-signed is not ready for configuration cannot configure (current status 'half-installed')

[darkpiggy]

lenovo idiapad z510 i5 8g

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64-signed 1.66.11+2.02~beta2-36ubuntu3.11
ProcVersionSignature: Ubuntu 4.8.0-54.57~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-54-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.6
AptOrdering:
 flashplugin-installer: Install
 grub-efi-amd64-signed: Configure
 flashplugin-installer: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Sat Jun 17 15:11:35 2017
DuplicateSignature:
 package:grub-efi-amd64-signed:1.66.11+2.02~beta2-36ubuntu3.11
 Installing from local file /var/lib/update-notifier/package-data-downloads/partial/adobe-flashplugin_20170616.1.orig.tar.gz
 Flash Plugin installed.
 dpkg: error processing package grub-efi-amd64-signed (--configure):
  package grub-efi-amd64-signed is not ready for configuration
ErrorMessage: package grub-efi-amd64-signed is not ready for configuration cannot configure (current status 'half-installed')
InstallationDate: Installed on 2017-06-03 (14 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.66.11+2.02~beta2-36ubuntu3.11 failed to install/upgrade: package grub-efi-amd64-signed is not ready for configuration cannot configure (current status 'half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)

[Brian Murray (brian-murray)]

Due to a bug in apport's method for creating a duplicate signature, the DuplicateSignature in this report was incorrect. We are fixing that now, sorry for the noise!