Hi, I'm having trouble upgrading from Ubuntu 11.04 to Ubuntu 11.10, i try to upgrade unsuccesfully with this error message..........
W:Failed to fetch http://archive.ubuntu.com/ubuntu/dis...source/Sources 404 Not Found [IP: 22.214.171.124 80]
, E:Some index files failed to download. They have been ignored, or old ones used instead.
Can somebody help me in simple terms as i am new to Ubuntu.