W: Failed to fetch http://ppa.launchpad.net/libreoffice/libreoffice-4-0/ubuntu/dists/trusty/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/libreoffice/libreoffice-4-0/ubuntu/dists/trusty/main/binary-i386/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/openbravo-isv/ppa/ubuntu/dists/trusty/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/openbravo-isv/ppa/ubuntu/dists/trusty/main/binary-i386/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.