It seems like you some how encountered a problem while trying to add a third party repo.
These lines should not be there, they should be deleted: sudo apt-key add sudo apt-get update sudo apt-key add - && sudo apt-get update sudo apt-key add - && sudo apt-get update ** Changed in: update-manager (Ubuntu) Status: Incomplete => Invalid -- update manager: 'E:Type ‘sudo’ is not known on line 84 in source list /etc/apt/sources.list, E:The list of sources could not be read.' https://bugs.launchpad.net/bugs/196205 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs