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Possible Duplicate:
Failed to download repository information due to missing CDROM

This is basically what I'm getting after trying to add repositories so that I can add lenses. Any help would be greatly appreciated.

W: Failed to fetch cdrom://Ubuntu 12.04LTS _Precise Pangolin_ - Release amd64 (20120425)/dists/precise/restricted/binary-amd64/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 http://ppa.launchpad.net/jsevi83/unity/ubuntu/dists/precise/main/source/Sources  404  Not Found

There's more that I'm guessing aren't too dubious. Very similar to the others. Again, any help would be appreciated.

Community
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Erik
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1 Answers1

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The source url is invalid. It dowsn't contain any files. That's why it is failing.

Follow this URL - http://ppa.launchpad.net/jsevi83/unity/ubuntu/dists/

You can see there are no files.

Probably you are following some outdated instruction to install some specific lenses.

Web-E
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