I have been searching for this topic and try many answers but still no positive results
W:Failed to fetch http://ppa.launchpad.net/petrakis/wdt-main/ubuntu/dists/quantal/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/petrakis/wdt-main/ubuntu/dists/quantal/main/binary-amd64/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/petrakis/wdt-main/ubuntu/dists/quantal/main/binary-i386/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/screenlets/ppa/ubuntu/dists/quantal/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/screenlets/ppa/ubuntu/dists/quantal/main/binary-amd64/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/screenlets/ppa/ubuntu/dists/quantal/main/binary-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.
Each time I try to update I get this error. I try to use the script that they recommend in this answer and still the same error.
Any idea?
