E: Unable to parse package file /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_xenial-backports_main_binary-amd64_Packages (1)
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_xenial-backports_main_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.
resolve: 1 sudo rm /var/lib/apt/lists/* -vf 2 sudo apt-get update