I'm getting the exact same issue on same Ubuntu version (16.04) -- You received this bug notification because you are a member of Cairo- Dock Devs, which is subscribed to Cairo-Dock Core. https://bugs.launchpad.net/bugs/1596067
Title: Data from such a repository can't be authenticated Status in Cairo-Dock Core: New Bug description: When I try to update (sudo apt-get update) Ubuntu 16.04 on any pc who has cairo dock installed, i get the following error: W: The repository 'http://ppa.launchpad.net/cairo-dock-team/ppa/ubuntu xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. E: Failed to fetch http://ppa.launchpad.net/cairo-dock-team/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found E: Einige Indexdateien konnten nicht heruntergeladen werden. Sie wurden ignoriert oder alte an ihrer Stelle benutzt. I added the ppa this way: echo "deb http://ppa.launchpad.net/cairo-dock-team/ppa/ubuntu $(lsb_release -sc) main # Cairo-Dock-PPA" | sudo tee -a /etc/apt/sources.list sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E80D6BF5 The error is really anoying because the update Error throw an error that I should check my Internet Connection... To manage notifications about this bug go to: https://bugs.launchpad.net/cairo-dock-core/+bug/1596067/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~cairo-dock-team Post to : cairo-dock-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~cairo-dock-team More help : https://help.launchpad.net/ListHelp
