Hello,
Sorry to hear you are having issues. Usually this happened when you key in a wrong email address or you purchased using paypal. Which using different email address than your normal one. Please try again. But, if its not solve. You can raise a ticket using this link : https://esupport.stardock.com/index.php?/default_import/Tickets/Submit
And give it sometimes since it now on weekend. Someone will get to it by Monday.
Thank you,
Basj,
Stardock Community Assistant