*** This bug is a duplicate of bug 1683563 *** https://bugs.launchpad.net/bugs/1683563
Public bug reported: system is dual boot using windows boot manager and neogrub. Many error messages on updating but I can't detect any real issues. I manually update menu.lst in the \NST folder to reflect the current system ProblemType: Package DistroRelease: Ubuntu 17.04 Package: grub-efi-amd64-signed 1.80+2.02~beta3-4ubuntu2 ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8 Uname: Linux 4.10.0-19-generic x86_64 ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 Date: Thu May 4 12:31:02 2017 DuplicateSignature: package:grub-efi-amd64-signed:1.80+2.02~beta3-4ubuntu2 Installing for x86_64-efi platform. grub-install: error: cannot find EFI directory. dpkg: error processing package shim-signed (--configure): subprocess installed post-installation script returned error exit status 1 ErrorMessage: subprocess installed post-installation script returned error exit status 1 RelatedPackageVersions: dpkg 1.18.10ubuntu2 apt 1.4 SourcePackage: grub2-signed Title: package grub-efi-amd64-signed 1.80+2.02~beta3-4ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to zesty on 2017-04-13 (21 days ago) ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package zesty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1688389 Title: package grub-efi-amd64-signed 1.80+2.02~beta3-4ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1688389/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs