[Bug 1054648] Re: updates fail

[sampo555]

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 in 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/*Packages
2.) sudo apt-get update

Thanks and good luck!

** Package changed: ubuntu-docs (Ubuntu) => update-manager (Ubuntu)

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https://bugs.launchpad.net/bugs/1054648

Title:
  updates fail

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

Bug description:
  The GUI Updater fails repeatedley!
  ran sudo apt-get update; screen parses lines then stops with this:
  One error in listup:
  Err http://extras.ubuntu.com precise Release

  then:
  Reading package lists... Error!
  W: GPG error: http://us.archive.ubuntu.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>
  W: GPG error: http://archive.canonical.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>
  W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com precise Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 Ubuntu Extras Archive Automatic Signing Key <ftpmaster at ubuntu.com>

  W: Failed to fetch
  http://extras.ubuntu.com/ubuntu/dists/precise/Release

  W: Some index files failed to download. They have been ignored, or old ones used instead.
  E: Encountered a section with no Package: header
  E: Problem with MergeList /var/lib/apt/lists/archive.canonical.com_ubuntu_dists_precise_partner_binary-i386_Packages
  E: The package lists or status file could not be parsed or opened.

  I need some help...

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