hey daniel,
i have the same problem on my end. i actually have a post below yours. i just purchased fusion charts last week and i cannot figure out what i need to do to get the retail version working.
to recap, if i run the included samples on my local machine, they render just fine. however, if i upload them to my server, they do not render. the evaluation version works both on my local machine and server. i am at a complete loss as to what to do now.