I imagine this is what you said Subin, i'm quite a newb on ubuntu. I hope it makes a diference
##### Ubuntu Main Repos deb http://ar.archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse deb-src http://ar.archive.ubuntu.com/ubuntu/ precise main ###### Ubuntu Update Repos deb http://ar.archive.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse deb http://ar.archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse ############################################################## ##################### UNOFFICIAL REPOS ###################### ############################################################## ###### 3rd Party Binary Repos #### Audacity - http://audacity.sourceforge.net/ ## Run this command: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys BB901940 deb http://ppa.launchpad.net/audacity-team/daily/ubuntu precise main #### GNOME3 extra apps - https://launchpad.net/~gnome3-team/+archive/gnome3 ## Run this command: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B1510FD deb http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu precise main #### Google Chrome Browser - http://www.google.com/linuxrepositories/ ## Run this command: wget -q https://dl-ssl.google.com/linux/linux_signing_key.pub -O- | sudo apt-key add - deb http://dl.google.com/linux/chrome/deb/ stable main #### Mozilla Daily Build Team - http://edge.launchpad.net/~ubuntu-mozilla-daily/+archive/ppa ## Run this command: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 247510BE deb http://ppa.launchpad.net/ubuntu-mozilla-daily/ppa/ubuntu precise main #### PlayOnLinux - http://www.playonlinux.com/en ## Run this command: wget -q "http://deb.playonlinux.com/public.gpg" -O- | sudo apt-key add - deb http://deb.playonlinux.com/ precise main #### Tor: anonymity online - http://www.torproject.org/ ## Run this command: gpg --keyserver subkeys.pgp.net --recv 886DDD89 && gpg --export --armor 94C09C7F | sudo apt-key add - deb http://deb.torproject.org/torproject.org precise main #### Wine - https://launchpad.net/~ubuntu-wine/+archive/ppa/ ## Run this command: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F9CB8DB0 deb http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu precise main -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072093 Title: sudo apt-get update problem on 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1072093/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs