Päivitykset toimii mutta jos päivitän listausta niin antaa virheen
W:Target Packages (partner/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target Packages (partner/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target Packages (partner/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target Translations (partner/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target Translations (partner/i18n/Translation-fi) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target Translations (partner/i18n/Translation-en_CA) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target DEP-11 (partner/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:Target DEP-11-icons (partner/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/xenial-partner.list:4, W:The repository 'http://ppa.launchpad.net/cpug-devs/ppa/ubuntu xenial Release' does not have a Release file., W:Data from such a repository can't be authenticated and is therefore potentially dangerous to use., W:See apt-secure(8) manpage for repository creation and user configuration details., E:Failed to fetch http://ppa.launchpad.net/cpug-devs/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found, E:Some index files failed to download. They have been ignored, or old ones used instead.
Miten korjaus?