In order to cancel your PC Membership please go to your Platinum Club Tab on your account page, click Cancel Subscription. If you are paying via credit card, this is all you need to do.
If you are paying via PayPal you will need to cancel your PayPal subscription on your PayPal account as well.
Log in to your PayPal account.
Click “Profile” at the end of the gray menu bar above your account information.
Click “My money”.
Click “Update” in the “My preapproved payments” section.
Click “Cancel”, “Cancel automatic billing”, or “Cancel subscription” on the item you want to cancel and follow the instructions.