If you read the following your will see that it is not covered:
http://www.fpscreator.com/license.html
If it is not covered then it is legal. I suggest that you look into it further by reading all the info that came with your CD, if you have a CD. If not then if you go by the letter of the licence then you should not have an issue.
(DISCLAIMER: I reserve the right to be incorrect about anything at any time under any and all circumstances)
The person that now knows the most started with many questions. Patients and tolorance are the keys to the passage of knowledge. FPSC is Getting better. Now if we can just keep the ball rolling.