[Bug 1601890] Re: package shim-signed 1.16~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 30

[Steve Langasek]

*** This bug is a duplicate of bug 1599051 ***
    https://bugs.launchpad.net/bugs/1599051

This looks like it's probably a duplicate of bug #1599051. Please check
whether upgrading to this version of the shim-signed package solves the
error for you.

** This bug has been marked a duplicate of bug 1599051
   package shim-signed 1.16~14.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated)

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https://bugs.launchpad.net/bugs/1601890

Title:
  package shim-signed 1.16~16.04.1+0.8-0ubuntu2 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 30

Status in shim-signed package in Ubuntu:
  New

Bug description:
  unable to connect wifi
  using through lan cable

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.16~16.04.1+0.8-0ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-30.49-generic 4.4.13
  Uname: Linux 4.4.0-30-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  AptOrdering:
   bcmwl-kernel-source: Install
   bcmwl-kernel-source: Configure
   NULL: ConfigurePending
  Architecture: amd64
  Date: Mon Jul 11 22:03:41 2016
  ErrorMessage: subprocess installed post-installation script returned error exit status 30
  InstallationDate: Installed on 2016-07-05 (5 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: shim-signed
  Title: package shim-signed 1.16~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 30
  UpgradeStatus: No upgrade log present (probably fresh install)

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