package grub-efi-amd64-signed 1.66.1+2.02~beta2-36ubuntu3.1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1

[Roger Dalvi Ferreira]

I was just apt-get uptading and upgrading when the error ocurred.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64-signed 1.66.1+2.02~beta2-36ubuntu3.1
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Fri Jul 15 20:47:00 2016
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationDate: Installed on 2016-04-27 (79 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.66.1+2.02~beta2-36ubuntu3.1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: No upgrade log present (probably fresh install)