[Steps to Reproduce] On a terminal as superuser, try to emerge www-client/google-chrome Emerging google-chrome fails be emerged in download phase, it ends with a 404: >>> Emerging (1 of 1) www-client/google-chrome-32.0.1700.77_beta1 >>> Downloading 'http://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-beta/google-chrome-beta_32.0.1700.77-1_amd64.deb' --2014-01-16 23:30:36-- http://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-beta/google-chrome-beta_32.0.1700.77-1_amd64.deb Resolving dl.google.com... 186.215.92.93, 186.215.92.113, 186.215.92.84, ... Connecting to dl.google.com|186.215.92.93|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-01-16 23:30:36 ERROR 404: Not Found. Going through chrome download page for the beta version (http://www.google.com/intl/pt-BR/chrome/browser/beta.html), it sends me to a different link than the one portage is trying to download: https://dl.google.com/linux/direct/google-chrome-beta_current_i386.deb
Sync your portage tree; that version no longer exists.