Can't disable "auto extension" on my 30 day free trial

[Shaeffect]

I subscripted to 30 day free trial with my credit card and i want to cancel it before my subscription ends but auto extension button is not clickable on my app therefore Im not able to cancel it. Can you please help to cancel it?

[nukecad]

You can use the form here to raise your request:  https://support.ccleaner.com/s/contact-form?language=en_US&form=general

Please be aware that support are very busy at the moment and are taking much longer that usual to answer.
(Up to a week, or even longer).

After submitting the form you should get a ticket number and will also get an automatic email reply (check your email spam folder), if you have those then you are in the queue, so please have patience and someone will get to your request.

Please also note that as it tells you in the email opening another ticket may put you back down the queue and so further delay the response.
(That's just the way that the queueing system works).