Well the virtualbox.list file has a wrong second line as the error message says, you probably have to delete this line.
** Changed in: apt (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/1739870 Title: E:Malformed entry 67 in list file /etc/apt/sources.list (Suite), E:The list of sources could not be read. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1739870/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs