[Bug 1276264] [NEW] update manager does not work

[Carlos A Wabi]

Public bug reported:

An unresolvable problem occurred while initializing the package
information.

Please report this bug against the 'update-manager' package and include
the following error message:

'E:Encountered a section with no Package: header, E:Problem with
MergeList /var/lib/apt/lists/mx.archive.ubuntu.com_ubuntu_dists_precise-
backports_universe_binary-amd64_Packages, E:The package lists or status
file could not be parsed or opened.'

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1276264

Title:
  update manager does not work

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

Bug description:
  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/mx.archive.ubuntu
  .com_ubuntu_dists_precise-backports_universe_binary-amd64_Packages,
  E:The package lists or status file could not be parsed or opened.'

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