[Bug 840781] Re: distro update issues...11.04-11.10

[czchen]

** Changed in: update-manager (Ubuntu)
       Status: New => Invalid

** Converted to question:
   https://answers.launchpad.net/ubuntu/+source/update-manager/+question/170543

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Title:
  distro update issues...11.04-11.10

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

Bug description:
  For some reason my computer goes into a update panic half way through
  checking its update im trying to update my distro to 11.10

  the error says
  Failed to download repository information

  Check your Internet connection.
  >details
  W:Failed to fetch cdrom://Ubuntu 10.10 _Maverick Meerkat_ - Release i386 (20101007)/dists/maverick/main/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
  , W:Failed to fetch cdrom://Ubuntu 10.10 _Maverick Meerkat_ - Release i386 (20101007)/dists/maverick/restricted/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
  , E:Some index files failed to download. They have been ignored, or old ones used instead.

  
  Please help im confused as to why this did not work also...unrelated note expose.plug-in and compiz cube do not work i activeded them separately and neither keyboard commands work

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