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I am trying to update Ubuntu 12.04 using the Update Manager, but when I click the Check button in the Update Manager window I get an error saying:

Failed to download repository information

In the details it shows:

W:Failed to fetch http://ppa.launchpad.net/ronmi/wallbox/ubuntu/dists/precise/main/source/Sources  404  Not Found
W:Failed to fetch http://ppa.launchpad.net/ronmi/wallbox/ubuntu/dists/precise/main/binary-i386/Packages  404  Not Found
E:Some index files failed to download. They have been ignored, or old ones used instead.

Normal updates that show up automatically work just fine, but I want to upgrade my Ubuntu to the newer version without removing it and installing the new one. What do I have to do to get this update to download and install?

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marked as duplicate by Mitch, bcbc, belacq, Seth, Kevin Bowen Jun 13 '13 at 1:11

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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Duplicate of How can I fix a 404 Error using a PPA?. Take a look at the answer in that question. You need to go to your Software Sources and uncheck the line(s) that contain ppa.launchpad.net/ronmi/wallbox/ubuntu/dists/precise. –  Alaa Ali Jun 12 '13 at 15:19
    
Is this the same as: ppa.launchpad.net/ronmi/wallbox/ubuntu ? There are two with this name, but not with the /dists/precise behind it –  Xavier Hofman Jun 12 '13 at 20:34
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You are running Precise (12.04), so therefore, the repository is attempting to pull data for your version of Ubuntu from /precise. If you have specific lines that literally have precise in them, remove those, otherwise remove the two you see, and re-try the update/upgrade to see a clean process. –  gravity Jun 12 '13 at 20:55
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@XavierHofman, yes, it's normal to only have 6 boxes checked. Yes, almost all lines should contain precise, because you are running Ubuntu Precise (12.04). Just uncheck everything that starts with "ppa.launchpad.net/ronmi/wallbox", and leave all "Canonical Partners" and "Independent" checked. –  Alaa Ali Jun 13 '13 at 5:25
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Yes, I didn't mean to confuse you. I was referring just to the specific (ronmi) PPAs having precise in the structure. Any other (non-ronmi PPA) should not be unchecked. –  gravity Jun 13 '13 at 16:09

1 Answer 1

There is no longer a precise folder underneath the dists directory in Ronmi's Wallbox.

You should probably either take the opportunity to report it to the PPA manager (via his Launchpad page @ https://launchpad.net/~ronmi/+archive/wallbox ) or simply remove that PPA subscription entirely, since it is not available.

It's possible that they may have stopped supporting 12.04 for some reason, or may simply be doing some maintenance on their repositories.

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