My Login Isn't Working
A few easy things to check. First, make sure that your account is still active and that you don't have a payment due. Then, check to make sure that you're entering the right password. If you can't remember your password then you should reset it. If you're still stuck then it's probably a technical issue and you should submit a support ticket.
How Do I Update My Credit Card?
This one's easy. Just login to your Ghost Path account, click on Billing, and enter your new credit card.