This is an open forum, not Adobe support... You need Adobe support to cancel a subscription
-start here https://forums.adobe.com/thread/1703848
-or by telephone http://helpx.adobe.com/x-productkb/global/phone-support-orders.html
--and two links which may provide more details, if the above links don't help you
I tried cancelling my membership and was directed to the forums. This is the worst experience I have ever had trying to cancel a membership!
the same thing happened to me. what a terrible business practice. never again adobe!