Erro durante a atualização
A problem occurred during the update. This is usually some sort of
network problem, please check your network connection and retry.
W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/saucy/universe/source/Sources 404 Not Found [IP: 2001:67c:1562::15 80]
W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/saucy/multiverse/source/Sources 404 Not Found [IP: 2001:67c:1562::15 80]
E:Some index files failed to download. They have been ignored, or old ones used instead.
Restoring original system state
Aborting