[Bug 795356] [NEW] update-manager crashes with "Could not initialize the package information"

[Full Name:]

Public bug reported:

Binary package hint: update-manager

Could not initialize the package information

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/security.ubuntu.com_ubuntu_dists_natty-
security_main_binary-i386_Packages, E:The package lists or status file
could not be parsed or opened.'


1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu

Description:	Ubuntu 11.04
Release:	11.04

2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center
$ apt-cache policy update-manager
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_natty-security_main_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.
$ 

3) What you expected to happen
update-manager should've checked all installed packages and suggest any updates

4) What happened instead
update-manager crashed repeatedly

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

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https://bugs.launchpad.net/bugs/795356

Title:
  update-manager crashes with "Could not initialize the package
  information"

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

Bug description:
  Binary package hint: update-manager

  Could not initialize the package information

  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/security.ubuntu.com_ubuntu_dists_natty-
  security_main_binary-i386_Packages, E:The package lists or status file
  could not be parsed or opened.'

  
  1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu

  Description:	Ubuntu 11.04
  Release:	11.04

  2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center
  $ apt-cache policy update-manager
  E: Encountered a section with no Package: header
  E: Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_natty-security_main_binary-i386_Packages
  E: The package lists or status file could not be parsed or opened.
  $ 

  3) What you expected to happen
  update-manager should've checked all installed packages and suggest any updates

  4) What happened instead
  update-manager crashed repeatedly

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