In order to cancel your PC+ Membership please go to your account page, click the Platinum Club+ icon, then 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, or it will continue to charge you. This is stated during the cancellation process and we also send a email reminding you to cancel at PayPal.
There are no refunds on Platinum Club Subscriptions. You may cancel your membership at any time. If you do not wish to auto-renew you will need to cancel your Membership beforehand. PayPal users must cancel at PayPal as well. If you cancel your membership you will remain in Platinum Club+ until your membership expiration date.