Everytime I try to update my ubuntu, it returns this: W: Failed to search http://ppa.launchpad.net/chromium-daily/ppa/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found
W: Failed to search http://ppa.launchpad.net/chromium-daily/ppa/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found
W: Failed to search http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found
W: Failed to search http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found
E: Failed to download of some indexs. They were ignored or others have been used in the place
And also I can't install pygame...