if you need to change your email address, you need to noftify
service@serenescreen.com.
Please, and I can't state this enough, Please do not email them more than once about this. The volume of email that they are dealing with is amazing, and sending multiple emails only slows down the process for you and everyone else.
Seglesto: I suggest that you try the upgrade link provided above. it that does not work, then email service and they will help you out.