Ask on the official IPB support forum:
http://www.ipsbeyond.com/forums/index.php
If you own an IPB license then you can create an account there through your client center account.
"IPS Beyond is the official resource site of Invision Power Services, Inc. (IPS) created by customers for customers. As such, use of this site's resources is limited to current and active IPS customers who have purchased and maintained current any product or service offered by IPS.
To create an account on IPS Beyond, you must visit the IPS Client Center. Simply login to the client center with your customer details and follow the intructions to join IPS Beyond's customer community!
You only need to do this once! After your registration is sent from the client center to IPS Beyond you can login directly at IPS Beyond in the future.
Your account will have access to those sections you have a related purchase for. Any future purchase you make will automatically unlock access.
Enjoy all IPS Beyond has to offer!"