I will tell you all my problem for hope you guy help me best. here is this. I just installed kali linux 2016. Done. Then i add "deb http://http.kali.org/kali kali-rolling main contrib non-free" to source.list. Done. Then I type "apt-get update", all happen like this: http://imgur.com/a/BlrRm.2016-04-28_2-21-32.jpg
Can everybody help me how to fix this?is i do anything wrong? And How can i update and upgrade with no trouble?