How did you charge my credit card without my consent

AVG Subscription
1

I need avg customer care to get in touch with me,i have tried calling through the UK no. But it's not working.You charged me 89.99euro from  credit card without my consent. I don't  understand how you even got my card details .The lasts time avg antivirus is 3or more years.Am very concerned on how you got my card detail,am hoping to hear from you ASAP or am going to the authorities and then to my lawyer.

3

Hello Nina,
We are sorry for the inconvenience. We do not want you to feel this way. 
It isn't recommended to share account/order, personal info over this public post
We have sent you an email to your registered email address. Please check for the email and revert back to us.
We request your patience.
Thank you.

2

Hello Nina,
We are sorry for the inconvenience. We do not want you to feel this way. 
It isn't recommended to share account/order, personal info over this public post
We have sent you an email to your registered email address. Please check for the email and revert back to us.
We request your patience.
Thank you.