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How can I fix a 404 Error using a PPA?

W:Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/gnome3-builds/ubuntu/dists/maverick/main/source/Sources.gz  404  Not Found
, W:Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/gnome3-builds/ubuntu/dists/maverick/main/binary-i386/Packages.gz  404  Not Found
, E:Some index files failed to download, they have been ignored, or old ones used instead.

Every time I try to run update manager and check for new updates, this error message appears. Obviously this has some thing to do with the gnome3-shell I downloaded about a week earlier. Is these download links have been moved elsewhere or deprecated or something like that? Any Idea on how to fix this? Thanks in advance.

P.S :- I'm running Maverick Meercat

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marked as duplicate by belacqua, Mik, Tom Brossman, devav2, Ringtail Nov 2 '12 at 0:36

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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1 Answer 1

up vote 3 down vote accepted

The repository address is not valid anymore.

To solve this problem open Ubuntu Software Center and select Software Sources form Edit menu.After that go to Other Software and find relevant repository and uncheck it.

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