Why have i been billed three times

BRIAN, Please contact Sales Support… Chat with us [AVG] online (http://bit.ly/1bsBJfY). 
AVG Guru

PLEASE CAN YOU TELL ME HOW I HAVE BEEN CHARGED THREE TIMES BY YOU .I HAVE JUST RECIEVED MY BANK STATEMENT AND I HAVE BEEN CHARGED £39 + THREE TIMES IN AUGUST BETWEEN 18 AND 19 th OF AUGUST,THIS IS SECOND TIME I HAVE ASKED AND NEED SOMEONE TO ANSWER.PLEASE IM NOT HAPPY ABOUT THIS SITUATION ,

BRIAN, Please contact Sales Support… Chat with us [AVG] online (http://bit.ly/1bsBJfY). 
AVG Guru