Description of problem:
When i start yum to install something it cant find the url which are in the list
of yum.repos.d and giving me this fail massage 

[root@localhost yum.repos.d]# yum install firefox*
Deprecated constant TYPE_INTERFACE during plugin initialization.
Please use TYPE_INTERACTIVE instead.
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
http://download.fedora.redhat.com/pub/fedora/linux/extras/5.92/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Date: Mon, 16 Oct 2006 06:22:45 GMT
Server: Apache
Last-Modified: Mon, 16 Oct 2006 06:15:55 GMT
ETag: "109caa-1051-4533239b"
Accept-Ranges: bytes
Content-Length: 4177
Content-Type: text/html

Trying other mirror.
Error: Cannot open/read repomd.xml file for repository: extras
[root@localhost yum.repos.d]#