>>Clicking on the 'Advanced' button of the error dialog should give you more information as to why Firefox is rejecting the certificate....
>
>We checked that last night. But, that message does not make any sense.
>
>This certificate is valid and no one else has the issue.
Are you running a personal firewall program? It might be interfering with the cert.
In the End, we will remember not the words of our enemies, but the silence of our friends - Martin Luther King, Jr.