User unable to register TOAD for DB2.
1. If the user enters the key and the OK button is grayed out but there is no message displayed, it's likely they entered the wrong key number.
2. If the user enters the key and site message and the OK button is grayed out but the message says "Register version" make sure:
A. you have no typo.
B. you verify that site message is correct - site message is case sensitive.
C. you do not add extra spaces especially before and after the site message.