Failed to upgrade to Ubuntu 11.10

Posted by Gigili on Ask Ubuntu See other posts from Ask Ubuntu or by Gigili
Published on 2012-12-15T20:54:47Z Indexed on 2012/12/15 23:19 UTC
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Filed under:

11.04

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upgrade

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laptop

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vaio

This error prevents the system from upgrading to a newer version of Ubuntu, what is causing it?

 W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/natty/main/source/Sources      404  Not Found

 W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found

 E: Some index files failed to download. They have been ignored, or old ones used instead.

Since I got the warning message that this release is not supported anymore, should I download and install Ubuntu 12.10 directly from Ubuntu's site instead?

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