While we are waiting then.
Just to confirm you are creating your certificate request in the following way:
Start - programs - administrative tools - iis Manager
Highlight server on left
Double click SSL Certificates on right
Create Certificate Request on actions bar
Follow the wizard
When you get file from GoDadday complete certificate request in same place
That completes the process of installing the certificate on your server
Then run the Wizard to add it to the SBS Sites