Hit http://us.archive.ubuntu.com utopic-updates/main Sources
Hit http://us.archive.ubuntu.com utopic-updates/main amd64 Packages
Hit http://us.archive.ubuntu.com utopic-updates/universe amd64 Packages
Hit http://us.archive.ubuntu.com utopic-updates/main i386 Packages
Hit http://us.archive.ubuntu.com utopic-updates/universe i386 Packages
Hit http://us.archive.ubuntu.com utopic-updates/main Translation-en
Hit http://us.archive.ubuntu.com utopic-updates/universe Translation-en
Hit http://us.archive.ubuntu.com utopic-backports/universe Sources
Hit http://us.archive.ubuntu.com utopic-backports/universe amd64 Packages
Hit http://us.archive.ubuntu.com utopic-backports/universe i386 Packages
Hit http://us.archive.ubuntu.com utopic-backports/universe Translation-en
Hit http://us.archive.ubuntu.com utopic-proposed/universe amd64 Packages
Hit http://us.archive.ubuntu.com utopic-proposed/universe i386 Packages
Hit http://us.archive.ubuntu.com utopic-proposed/universe Translation-en
W: Failed to fetch http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu/dists/utopic/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu/dists/utopic/main/binary-i386/Packages  404  Not Found

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