I will need to pass this to one of our billing developers to see if they can find out what the problem is, the adjustments i made should have fixed it. Someone will reply to you shortly.
You have to enable the forum notifications to receive updates when you open a message. By default it is enabled, maybe you disabled it or if it's enabled the notification could be on your SPAM folder.
Anyway, we released a new installer version a couple of days ago. If you download the product again and try with the new installer I think it will work. But if it doesn't follow the instructions I gave you and I will help you to fix that.