Public bug reported: 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) ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1603589 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1603589/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs