Update manger failed - read no connection

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http://ubuntuforums.org – can't update for 27 days need help using Natty using classic mode ( Applications, Places, System) don't have time to learn new upgrade. Lost vital court data when tried before in May 2012. Not upgrading will get new from Free Geek computer first. Could I have virus???? When using trying through update manager on drop down menu it reads no internet connection.:confused: x@x-System-Product-Name:~$ sudo apt-get update && sudo apt-get upgrade [sudo] password for x: Ign http://extras.ubuntu.com natty InRelease Ign http://ppa.launchpad.net natty InRelease (Hardware)