[Bug 1057213]

[Ubuntu Foundation's Bug Bot]

*** This bug is a duplicate of bug 346386 ***
    https://bugs.launchpad.net/bugs/346386

Thank you for taking the time to report this bug and helping to make
Ubuntu better.  Reviewing your bug report it seems that you are
experiencing bug 346386.  This issue happens when you have tried to
update your package information when you are a network that didn't
return the right files.  This issue can be cleaned up by using the
following commands in a terminal:

1.) sudo rm /var/lib/apt/lists/*
2.) sudo apt-get update

Thanks and good luck!

[This is an automated message.  I apologize if it reached you
inappropriately; please reopen the bug task if it was incorrect.]

** This bug has been marked a duplicate of bug 346386
   [MASTER] Update fails with invalid package files with "Encountered a section with no Package: header"

** Tags added: bot-comment

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https://bugs.launchpad.net/bugs/1057213

Title:
  Update Manager - Failed to load package list

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  I receive an error message when attempting to open the update manager
  (as prompted automatically).

  
  Title: backend_helper.py

  Header: Failed to load the package list

  Body: This is a serious problem. Try again later. If this problem
  appears again, please report an error to the developers.

  Details: E:Encountered a section with no Package: header, E:Problem
  with MergeList /var/lib/apt/lists/security.ubuntu
  .com_ubuntu_dists_precise-security_restricted_binary-i386_Packages,
  E:The package lists or status file could not be parsed or opened.


  
  Additional Information:
  Release: Description:	Ubuntu 12.04.1 LTS (64bit)

  _Cannot provide version of the package, as the package information is
  what is failing to load._

  I expected the update manager to open, new versions of packages to be found and installed.
  The update manager window does not open, and I am shown the above error window instead.

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