System does not recognize the ISO file. This file was downloaded and then burned asis to a cd. Reproducible: Always Steps to Reproduce: 1. 2. 3.
You had a bad download or a bad burn. Please verify md5sums and if necessary redownload and then re-burn.
Moving these so we can remove the "Install CD" component from "Gentoo Linux". I apologize to everyone for this spam, but according to the bugzilla developers, this is the only reasonable way to do this.