[Bug 1037478] Re: upgrade error

[Brian Murray]

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

** 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"

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https://bugs.launchpad.net/bugs/1037478

Title:
  upgrade error

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

Bug description:
  W: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 bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_main_source_Sources  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_universe_source_Sources  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_multiverse_source_Sources  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_main_binary-i386_Packages  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_universe_binary-i386_Packages  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_multiverse_binary-i386_Packages  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-backports_universe_source_Sources  Hash Sum mismatch
  , W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-backports_universe_binary-i386_Packages  Hash Sum mismatch
  , E:Some index files failed to download. They have been ignored, or old ones used instead.

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