Unfortunately no one can help you with that.

However, if you contact e-Frontier and explain your situation and provide them with the information they need to locate your purchase, then you should be able to reacquire a copy of Poser 6 and the serial number from them.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi