Charges on my Bank Account

I've had a charge of £29.99 on my Debit Card that I have not authorised - how do I contact AVG about this as thee doesn't seem to be an email address and I'm deaf!
I don't want AVG because I have Malwarebytes.

Martin Stevenson

Hello Martin,

We'll clarify the charge for you.
As it isn't advisable to post sensitive details here, we've sent you an email with further details. Please check your inbox/spam for the email and use it to revert to us.