Public bug reported: The apt-get update option does not fix this.
ProblemType: Package DistroRelease: Ubuntu 18.04 Package: shim-signed 1.34.9+13-0ubuntu2 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 NonfreeKernelModules: wl .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled' ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 Date: Thu Apr 26 19:06:57 2018 EFITables: Apr 27 11:18:03 spthree kernel: efi: EFI v2.40 by INSYDE Corp. Apr 27 11:18:03 spthree kernel: efi: SMBIOS=0x9c669000 ESRT=0x9c771418 ACPI 2.0=0x9cffe014 Apr 27 11:18:03 spthree kernel: secureboot: Secure boot could not be determined (mode 0) Apr 27 11:18:03 spthree kernel: esrt: Reserving ESRT space from 0x000000009c771418 to 0x000000009c771450. ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2017-12-16 (131 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.0.5ubuntu2 apt 1.6.1 SecureBoot: 6 0 0 0 0 SourcePackage: shim-signed Title: package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 UpgradeStatus: Upgraded to bionic on 2018-04-26 (0 days ago) ** Affects: shim-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767276 Title: package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1767276/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs