yum quit working after 3.64 update

Loading "fastestmirror" plugin
Loading mirror speeds from cached hostfile
* virtualmin: software.virtualmin.com
Error: Cannot find a valid baseurl for repo: extras
Could not retrieve mirrorlist http ://mirrorlist.centos.org/?release=5&arch=x86_64&repo=extras error was
[Errno 4] IOError:
The above is the message for yum update.
I ran yum clean all and still got the same results.

I am running CentOS 5-x86_64 with kernel 2.6.18-92.1.18.el5xen #1 SMP Wed Nov 12 09:48:10 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
Current version of virualmin pro

This is a problem on 2 of my servers afraid to do the update on others.

Status: 
Closed (fixed)