Software is a love / hate relationship. Rhino is pretty powerful, but I have also heard from others about the frustration. I won't contaminate your thread with my own less than ideal experiences with design software, as this is not a strong area for me.
I honestly would ask for my money back. I assume you paid with a credit card, so maybe canceling the payment is an option? If you puchased it through a dealer, perhaps they will help you.
As a last resort, but sometimes necessary, call their customers service line and tell them that you are not happy with the product. You wish to return it for a full refund, and be nice but firm about it. If they give you a hard time, tell them they have two choicess
- Refund your money or
- That you will be filing a complaint with the Better Busieness Bureau and will copy your congressman on the complaint, along with the fact that you plan to post your experiences on the internet.
Obviously, your congressman doesn't give a squat about your problems (none do), but it makes people nervous, and no one wants bad publicity over a $ 1,000 sale.