[Bug 802640] Re: error message when trying to update from ubuntu 10.10 to 11.04

[RedSingularity]

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

Duplicate of bug 346386.
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** Changed in: update-manager (Ubuntu)
       Status: New => Confirmed

** 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"

** This bug is no longer flagged as a security vulnerability

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https://bugs.launchpad.net/bugs/802640

Title:
  error message when trying to update from ubuntu 10.10 to 11.04

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

Bug description:
  Received following error message upon attempting to update from Ubuntu
  10.10 to 11.04:

  'E:Unable to parse package file /var/lib/apt/lists/fr.archive.ubuntu
  .com_ubuntu_dists_natty_main_binary-amd64_Packages (1), E:The package
  lists or status file could not be parsed or opened.'

  release of ubuntu: 10.10

  version of update-manager: when I enter 'apt-cache policy update-
  manager', I receive the message 'Segmentation fault'. Ubuntu software
  center will no longer run.

  what I expected to happen: my system to be updated from 10.10 to 11.04

  what happenned: the update stopped and I received the error message
  indicated above. I can no longer access update manager or package
  manager - each time I attempt to, I receive the same error message.

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