Canceling free subsription

Id like to cancel my free subscription since it didnt let me do what I wanted. 

But there is no option for it any where even in "subscriptions". 

Anyone know anything?

Hi Carl,

We're sorry for the inconvenience caused. We'll check & help you with this.
Unfortunately, we couldn't locate any active subscriptions under the email address you've used to contact us here. We've sent you an email requesting more info to follow. Please check and revert to that email for further assistance.