[Bug 1507855] Traceback

[Ubuntu Foundations Team Bug Bot]

Exception during installation:
Oct 20 03:12:47 kubuntu /plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Oct 20 03:12:47 kubuntu /plugininstall.py:

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https://bugs.launchpad.net/bugs/1507855

Title:
  Running post - installation trigger cracklib-runtime 40%

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I tried to install from the live session multiple times and it failed
  at the same point each time.  "Running post - Installataion trigger
  cracklib - runtime 40%" is shown on the installer window.  I have not
  tried any of the extra boot options like nomodeset.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.1
  ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
  Uname: Linux 3.16.0-28-generic x86_64
  ApportVersion: 2.15-0ubuntu3
  Architecture: amd64
  CasperVersion: 1.347
  CurrentDesktop: KDE
  Date: Mon Oct 19 23:31:55 2015
  InstallCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash -- BOOT_IMAGE=/casper/vmlinuz.efi
  LiveMediaBuild: Kubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20141218)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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