You change the payment method to bank slip. This unlocks the cancel option. You remove your credit card and select bank slip. The system does not ask for a purchase code. It does not ask for extra confirmation. You enter the menu and cancel. This stops the charge without trouble.
You open your CCleaner account and switch the payment method to bank slip. This removes the credit card link. The cancel button appears. The system does not ask for the Cleverbridge reference. You click cancel and stop the charge.