There was a problem validating your membership and your account has not yet been activated.
This is usually because of an improperly entered link within your web browser.
How to proceed:
Copy the web link contained in your validation e-mail message and paste it in the address line of your web browser, making sure that you copy the entire address.
If you continue to have problems signing up, visit the Maplesoft Membership FAQ or contact Maplesoft Customer Service.