my ubuntu 10.10 failed to download repository information (see the messages bellow). now i cannot install codec for mp3/movie. How to fix this problem?...(sorry for my bad english)


W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...ck/Release.gpg Could not connect to my.archive.ubuntu.com:80 (203.106.62.125). - connect (110: Connection timed out)
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...es/Release.gpg Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...slation-en.bz2 Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://packages.medibuntu.org/dists/...86/Packages.gz 404 Not Found
, W:Failed to fetch http://packages.medibuntu.org/dists/...86/Packages.gz 404 Not Found
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...rce/Sources.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, W:Failed to fetch http://my.archive.ubuntu.com/ubuntu/...86/Packages.gz Unable to connect to my.archive.ubuntu.com:http:
, E:Some index files failed to download, they have been ignored, or old ones used instead.