You probably forgot to combine the intermediate certs with your domain cert. That said, I use startcom (http://www.startssl.com/ http://www.startssl.com/). Yo

You probably forgot to combine the intermediate certs with your domain cert. That said, I use startcom (http://www.startssl.com/ http://www.startssl.com/). You can get free SSL certs there that work in 99% of browsers. If you pay the identity verification fee (I think about $50), you can get free WILDCARD certificates!