Possible Duplicate:
How can I fix a 404 Error using the Ubuntu archives?
Everytime when I'm trying to update Ubuntu I always get these errors I hate so much.
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/natty/main/source/Sources.gz 404 Not Found
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/natty/main/binary-i386/Packages.gz 404 Not Found
E: Some index files failed to download, they have been ignored, or old ones used instead.
And its says that there might be something wrong with the internet connection but my internet connection is perfect. Can anyone help me please? :)
Thanks, Sorry for bad english :)
