[Bug 776941] Re: leaved xubuntu running overnight, in the morning I got this update manager message

[Jean-Baptiste Lallement]

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

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

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https://bugs.launchpad.net/bugs/776941

Title:
  leaved xubuntu running overnight, in the morning I got this update
  manager message

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

Bug description:
  Binary package hint: update-manager

  'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_natty_main_binary-i386_Packages, E:The package lists or status file could not be parsed or opened.'
  Description:	Ubuntu 11.04
  Release:	11.04
  apt-cache policy pkgname gives:
  E: Encountered a section with no Package: header
  E: Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_natty_main_binary-i386_Packages
  E: The package lists or status file could not be parsed or opened.
  update manager is unable to get its job done.