I'd take a look at the eMail you got your Serial number in, it will tell you who to contact and how to contact them...

PiXtudio.com <-------- Author's of Toon-XP
http://www.pixtudio.com/

If you bought it here ( Wincustomize.com), you bought it through the Stardock store,
( Stardock.com https://www.stardock.com )and you were sent a simular email as everyone who purchases anything from the SD store...

example: you should have the following information in your comformation email...

"

Important Contact Information:

Serial number lookup and latest enhanced version:
https://www.stardock.com/support/

Sales information:
sales@stardock.com

Technical Support information:
Email: support@stardock.com
Web: https://www.stardock.com/support

Stardock News Server:
news://news.stardock.com

"


luck