Fri Oct 19 18:21:51 UTC 2012

It looks to me like you have a misconfigured line in your
/etc/apt/sources.list file.  lsb_release -sc returns your distribution
code name (precise, quantal ...) and that should appear in a sources
file.  You'll need to manually resolve this issue by editing
/etc/apt/sources.list.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1068263

Title:
  Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/-sc)/source/Sources
  404 Not Found [IP: 91.189.92.150 80] Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/partner/source/Sources
  404 Not Found [IP: 91.189.92.150 80] Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/-sc)/binary-i386/Packages
  404 Not Found [IP: 91.189.92.150 80] Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/partner/binary-i386/Packages
  404 Not Found [IP: 91.189.92.150 80]

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Incomplete

Bug description:
  Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/-sc)/source/Sources
  404 Not Found [IP: 91.189.92.150 80] Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/partner/source/Sources
  404 Not Found [IP: 91.189.92.150 80] Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/-sc)/binary-i386/Packages
  404 Not Found [IP: 91.189.92.150 80] Nie można pobrać
  http://archive.canonical.com/dists/$(lsb_release/partner/binary-i386/Packages
  404 Not Found [IP: 91.189.92.150 80]

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