Problem while activating Exam Pack 1 and Exam Pack 2

I have purchased Exam Pack 1 and Exam Pack 2 and installed the additional content via the respective .gsp files. Now I can see my Exam Pack 1 and Exam Pack 2 in my GMATPrep software. However, when I click on "Activate" and enter the 18 digit code (with the hyphens) and try to activate the ...