You can login at https://nanacast.com/login.php using your email and password. (There's a forgot password feature on that page if you don't remember it. Check Spam!!)
Once you login, click this link to see various options for updating your credit card or changing your password or other personal details: http://nanacast.com/dashboard/myaccount.php
If you wish to cancel a recurring membership, log into CCO members area here at: http://billing.cco.us. On the product listing page, you will see a “cancel” button beside your Membership. (If you do not have a cancel option please create a Helpdesk request http://helpdesk.cco.us/ )
Click the button to cancel your membership. You will continue to receive access until your current enrollment period ends.
If we unsubscribe for you, it is instantaneous and there are no pro-rated refunds.