[Bug 1706540] Re: package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Ubuntu Foundations Team Bug Bot]

*** This bug is a duplicate of bug 1696521 ***
    https://bugs.launchpad.net/bugs/1696521

** Attachment removed: "DuplicateSignature.txt"
   https://bugs.launchpad.net/bugs/1706540/+attachment/4921524/+files/DuplicateSignature.txt

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https://bugs.launchpad.net/bugs/1706540

Title:
  package shim-signed 1.28~16.04.1+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:
  New

Bug description:
  error message appears during the start up process on 26th of July.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-83.106-generic 4.4.70
  Uname: Linux 4.4.0-83-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: 0
  .sys.firmware.efi.efivars.MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden: '/sys/firmware/efi/efivars/MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23'
  .sys.firmware.efi.efivars.SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c: 

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