Error establishing an encrypted connection to http://ocsp.comodoca.com. Error Code: -8048.
This is a result of a bug in Firefox 2.0.0.x. It has been fixed in Firefox 2.0.0.15. Firefox 3.x was not affect by this bug.
Solution: Either disabled OCSP in Firefox 2 or upgrade to Firefox 2.0.0.15 or better. Mozilla strong recommends that users upgrade to Firefox 3.