see To fix this first log in as root. How? type the following in terminal: "sudo passwd root" enter your password enter the new root's password restart login as root remove the first two lines of the /etc/apt/sources.lst that's done Cheers Umang Raghuvanshi
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751725 Title: software-center crashed with AptDaemonError in _medium_required(): org.debian.apt: Could not cancel transaction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/751725/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
