I finally figured it out.
The solution:
I found the appropriate certificate on www.geotrust.com and copied it into the keystore directory in the Citrix client directory structure.
I have been trying to access a corporate Citrix MetaFrame Server with no luck. I have tried using Safari, Firefox, and Internet Explorer.
With Safari, I get an error with "Error opening ICA file" as the description in the "Client for Java Connection Center" window. There is no response from...