[Bug 1741763] Re: package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

The error in your log is:

Found Windows Boot Manager on /dev/sda1@/efi/Microsoft/Boot/bootmgfw.efi
Adding boot menu entry for EFI firmware configuration
done
Setting up grub-efi-amd64-signed (1.66.15+2.02~beta2-36ubuntu3.15) ...
Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up shim-signed (1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1) ...
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

So you definitely have an EFI partition on this system, but it's not
mounted at /boot/efi.  Why not?  Please attach your /etc/fstab.

** Changed in: shim-signed (Ubuntu)
       Status: New => Incomplete

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Title:
  package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  failed to install/upgrade: subprocess installed post-installation
  script returned error exit status 1

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  i am unable to update the software

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-104.127-generic 4.4.98
  Uname: Linux 4.4.0-104-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: 0
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Sun Jan  7 19:46:36 2018
  EFITables:
   Jan 07 19:57:46 Ravi-Dell-Inspiron kernel: efi: EFI v2.31 by INSYDE Corp.
   Jan 07 19:57:46 Ravi-Dell-Inspiron kernel: efi:  ACPI=0x9affe000  ACPI 2.0=0x9affe014  SMBIOS=0x9aebef98 
   Jan 07 19:57:46 Ravi-Dell-Inspiron kernel: Secure boot enabled
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2015-12-29 (739 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.3
   apt  1.2.24
  SecureBoot: 6   0   0   0   1
  SourcePackage: shim-signed
  Title: package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to xenial on 2016-09-05 (488 days ago)

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