Some index files failed to download, they have been ignored, or old ones used instead
 

hi, i am using ubuntu 8.04 and evrytime i run sudo apt-get update, the following takes place
netbase2@netbase2:~$ sudo apt-get update
Hit http://security.ubuntu.com intrepid-security Release.gpg
Ign http://security.ubuntu.com intrepid-security/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release.gpg
Ign http://ppa.launchpad.net karmic/main Translation-en_US
Ign http://ppa.launchpad.net karmic/universe Translation-en_US
Ign http://security.ubuntu.com intrepid-security/restricted Translation-en_US
Ign http://security.ubuntu.com intrepid-security/universe Translation-en_US
Ign http://security.ubuntu.com intrepid-security/multiverse Translation-en_US
Hit http://security.ubuntu.com intrepid-security Release
Ign http://ppa.launchpad.net VERSION Release.gpg
Ign http://ppa.launchpad.net VERSION/main Translation-en_US
Hit http://ppa.launchpad.net karmic Release
Ign http://ppa.launchpad.net VERSION Release
Hit http://security.ubuntu.com intrepid-security/main Packages
Hit http://security.ubuntu.com intrepid-security/restricted Packages
Hit http://security.ubuntu.com intrepid-security/main Sources
Hit http://security.ubuntu.com intrepid-security/restricted Sources
Hit http://security.ubuntu.com intrepid-security/universe Packages
Hit http://security.ubuntu.com intrepid-security/universe Sources
Hit http://ppa.launchpad.net karmic/main Packages
Hit http://ppa.launchpad.net karmic/universe Packages
Hit http://security.ubuntu.com intrepid-security/multiverse Packages
Hit http://security.ubuntu.com intrepid-security/multiverse Sources
Ign http://ppa.launchpad.net VERSION/main Packages
Ign http://ppa.launchpad.net VERSION/main Sources
Hit http://ke.archive.ubuntu.com intrepid Release.gpg
Ign http://ke.archive.ubuntu.com intrepid/main Translation-en_US
Err http://ppa.launchpad.net VERSION/main Packages
404 Not Found
Ign http://ke.archive.ubuntu.com intrepid/restricted Translation-en_US
Ign http://ke.archive.ubuntu.com intrepid/universe Translation-en_US
Ign http://ke.archive.ubuntu.com intrepid/multiverse Translation-en_US
Hit http://ke.archive.ubuntu.com intrepid-updates Release.gpg
Ign http://ke.archive.ubuntu.com intrepid-updates/main Translation-en_US
Ign http://ke.archive.ubuntu.com intrepid-updates/restricted Translation-en_US
Ign http://ke.archive.ubuntu.com intrepid-updates/universe Translation-en_US
Ign http://ke.archive.ubuntu.com intrepid-updates/multiverse Translation-en_US
Err http://ppa.launchpad.net VERSION/main Sources
404 Not Found
Hit http://ke.archive.ubuntu.com intrepid Release
Hit http://ke.archive.ubuntu.com intrepid-updates Release
Hit http://ke.archive.ubuntu.com intrepid/main Packages
Hit http://ke.archive.ubuntu.com intrepid/restricted Packages
Hit http://ke.archive.ubuntu.com intrepid/main Sources
Hit http://ke.archive.ubuntu.com intrepid/restricted Sources
Hit http://ke.archive.ubuntu.com intrepid/universe Packages
Hit http://ke.archive.ubuntu.com intrepid/universe Sources
Hit http://ke.archive.ubuntu.com intrepid/multiverse Packages
Hit http://ke.archive.ubuntu.com intrepid/multiverse Sources
Hit http://ke.archive.ubuntu.com intrepid-updates/main Packages
Hit http://ke.archive.ubuntu.com intrepid-updates/restricted Packages
Hit http://ke.archive.ubuntu.com intrepid-updates/main Sources
Hit http://ke.archive.ubuntu.com intrepid-updates/restricted Sources
Hit http://ke.archive.ubuntu.com intrepid-updates/universe Packages
Hit http://ke.archive.ubuntu.com intrepid-updates/universe Sources
Hit http://ke.archive.ubuntu.com intrepid-updates/multiverse Packages
Hit http://ke.archive.ubuntu.com intrepid-updates/multiverse Sources
W: Failed to fetch http://ppa.launchpad.net/freenx-team...86/Packages.gz 404 Not Found

W: Failed to fetch http://ppa.launchpad.net/freenx-team...rce/Sources.gz 404 Not Found

E: Some index files failed to download, they have been ignored, or old ones used instead.

from there i cant figure the way out, some one please help, if you need more information please do ask

It seems you have some entries in your /etc/apt/sources.list that point to repositories that don't exists anymore. Try commenting out any entries that caused an error and then run apt-get update again.

Evo2.