[Bug 1029393] Re: E: grub-pc: subprocess installed post-installation script returned error exit status 20

[Logan Rosen]

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apport-collect 1029393
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** Package changed: ubuntu => grub2 (Ubuntu)

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https://bugs.launchpad.net/bugs/1029393

Title:
  E: grub-pc: subprocess installed post-installation script returned
  error exit status 20

Status in “grub2” package in Ubuntu:
  New

Bug description:
  Setting up grub-pc (1.99-22ubuntu1) ...
  dpkg: error processing grub-pc (--configure):
   subprocess installed post-installation script returned error exit status 20
  No apport report written because MaxReports has already been reached
                                                                      Errors were encountered while processing:
   grub-pc
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  A package failed to install.  Trying to recover:
  Setting up grub-pc (1.99-22ubuntu1) ...
  dpkg: error processing grub-pc (--configure):
   subprocess installed post-installation script returned error exit status 128
  Errors were encountered while processing:
   grub-pc

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