Dimitri Deserranno wrote: > > William, > > > There was a fatal error communicating with the server. The message was: > > > An HTTP error occurred: > URL: > http://download.fedora.redhat.com/pub/fedora/linux/core/updates/4/i386//he > aders/header.info Status Code: 404 > Error Message: Not Found This looks more like an up2date error than a yum error. Are you sure you are running yum? To fix up2date, check your /etc/sysconfig/rhn/ directory for a sources.rpmnew file. Move the old sources file out of the way and replace it with the new one: mv sources sources.old mv sources.rpmnew sources -- William Hooper