Not a bug, but data error in sources.list file. Dealt with in https://answers.launchpad.net/ubuntu/+question/671002
** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1782699 Title: sudo is not working,unable to install software or install updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1782699/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs