while i tried to update my update software it does not update and shows following

[lightis4u]

W:Duplicate sources.list entry http://archive.canonical.com/ubuntu/ quantal/partner amd64 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_quantal_partner_binary-amd64_Packages), W:Duplicate sources.list entry http://archive.canonical.com/ubuntu/ quantal/partner i386 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_quantal_partner_binary-i386_Packages), E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_quantal_main_i18n_Translation-en, E:The package lists or status file could not be parsed or opened.

please help me out. thank you.

[Ubuntu Foundations Team Bug Bot (crichton)]

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.]

[lightis4u (lightis4u)]

Sir,
I tried again by adding the given commands by you.
but It shows rm: cannot remove var/lib/apt/lists/partial: is a directory

i tried to update then by second command
itupdated very few one but stopped again

pls help me.

________________________________
 From: Ubuntu Foundations Team Bug Bot <email address hidden>
To: <email address hidden>
Sent: Tuesday, March 5, 2013 9:46 PM
Subject: [Bug 1146726] Re: while i tried to update my update software it does not update and shows following

*** 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/1146726

Title:
  while i tried to update my update software it does not update and
  shows following

Status in Ubuntu:
  New

Bug description:
  W:Duplicate sources.list entry http://archive.canonical.com/ubuntu/
  quantal/partner amd64 Packages (/var/lib/apt/lists/archive.canonical
  .com_ubuntu_dists_quantal_partner_binary-amd64_Packages), W:Duplicate
  sources.list entry http://archive.canonical.com/ubuntu/
  quantal/partner i386 Packages (/var/lib/apt/lists/archive.canonical
  .com_ubuntu_dists_quantal_partner_binary-i386_Packages), E:Encountered
  a section with no Package: header, E:Problem with MergeList
  /var/lib/apt/lists/extras.ubuntu
  .com_ubuntu_dists_quantal_main_i18n_Translation-en, E:The package
  lists or status file could not be parsed or opened.

  please help me out. thank you.

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