If you purchased your program through Clickbank, you will need to contact them directly should you wish to discuss a refund.
You can contact Clickbank here. You will need to include your invoice/transaction ID and other details to support this request.
Click on the "look up your order" button. Here you will need to enter your email address and order number or postcode or the last four digits of the credit/debit card you used.
Once you have accessed your order, click on support and then choose refund request.