package grub-efi-amd64-signed (not installed) failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1

[tximy]

error installing grub on macbook

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: grub-efi-amd64-signed (not installed)
ProcVersionSignature: Ubuntu 3.16.0-21.28-generic 3.16.4
Uname: Linux 3.16.0-21-generic x86_64
ApportVersion: 2.14.7-0ubuntu5
Architecture: amd64
Date: Tue Oct 7 20:59:42 2014
DuplicateSignature: package:grub-efi-amd64-signed:(not installed):el subproceso instalado el script post-installation devolvió el código de salida de error 1
ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 1
InstallationDate: Installed on 2014-10-07 (0 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140923)
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed (not installed) failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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