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I had downloaded Ubuntu 12.10 several times and I tried to install it with USB stick and CD (or DVD) but I experienced several errors. I had a Ubuntu 10.10 DVD, so I have just installed it. But it seems Ubuntu 10.10's update and language support isn't working anymore.

So I've searched and tried everything to upgrade it, but I always run across a error saying 10.10's repositories no longer supported. Even I've just added 12.04's repositories and tried again, but I again run across an error saying the same thing.

So how can I upgrade Ubuntu 10.10 to 11.04?

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marked as duplicate by bodhi.zazen, hhlp, mikewhatever, stephenmyall, fossfreedom Mar 8 '13 at 21:25

This question was marked as an exact duplicate of an existing question.

There is no direct / easy path to upgrade. IMO you are by far better off backing up your data and installing 12.04. – bodhi.zazen Mar 8 '13 at 18:25