Just Paid for GrimeFighter...so where is it?

I bought and paid for GrimeFighter. It requested that I reboot, so I did. Now it is nowhere to be seen. When I navigate to it on the main menu it directs me to PAY AGAIN! I wonder what I did wrong along the way please? (Win7 64)

Try posting here https://forum.avast.com/index.php?board=63.0