Verifier connexion internet

Bonjour, il met impossible de récupairer des logiciels de la logitheque de unbutu à chaque téléchargementy il me note ce code d'erreur. W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/universe/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/multiverse/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/universe/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/multiverse/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/universe/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/multiverse/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/universe/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/multiverse/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/main/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/restricted/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/main/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick/restricted/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/main/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/restricted/source/Sources.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/main/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://fr.archive.ubuntu.com/ubuntu/dists/maverick-updates/restricted/binary-i386/Packages.gz 404 Not Found
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/universe/source/Sources.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/multiverse/source/Sources.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/universe/binary-i386/Packages.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/multiverse/binary-i386/Packages.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/main/source/Sources.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/restricted/source/Sources.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/main/binary-i386/Packages.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/restricted/binary-i386/Packages.gz 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://extras.ubuntu.com/ubuntu/dists/maverick/main/source/Sources.gz 404 Not Found
, W:Failed to fetch http://extras.ubuntu.com/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. que ca serais ma connexion internet mais elle est nikel que faire ? je vous remercie d'avance