I have this problem, I cannot open anyapplicationfirst asksmebecauseI dolog inandasks me for aserial numberlike youdid not have aplanbut Iboughta contractualone-year plan. I have doneeverything they askmehow to changethe language tointernationalEnglish, closeandlog inagainand alltheAdobeHelp, but still isnot working..I can do, because I'm paying andI cannot use the service..?
Ask for serial number http://forums.adobe.com/thread/1234635 has a FAQ link
or
Online Chat Now button near the bottom for Activation and Deactivation problems may help
http://helpx.adobe.com/x-productkb/policy-pricing/activation-deactivation-products.html