To cancel your recurring payment, follow these steps:
- Log into your PayPal account - https://www.paypal.com
- Click on the GEAR in the top-right corner of the page, next to the "Log out" text.
- Click the "Payments" option in the navigation.
- Click the "Manage automatic payments" button.
- Click on "MouseMingle.com"
- Click the "Cancel" button.
- On the next screen, click the large blue "Cancel Automatic Payments" button.
Found at: : How do I cancel my recurring payment?