Norton just charged me for something i didnt buy

I have noticed that i have been charged again for something i didnt ask for. you are continually renewing my NORTON. i WANT TO CANCEL MY NORTON AND YOU WILL REFUND THAT $75 THAT I WAS JUST CHARGED. I WAS HOLDING OFF UNTIL MY CONTRACT WITH YOU WAS DONE WHICH IS APRIL 30TH.  YOU ARE LYING TO ME AND YOU ARE FOR SOME REASON CHARGING ME FOR SOMETHING I DONT EVEN KNOW WHAT IT IS...I SAW IT ON MY CREDIT CARD. I WILL FILE A REPORT ABOUT THIS. I AM CANCELING NORTON BECAUSE OF WHAT YOU ARE DOING....I WANT YOU TO CONTACT ME BY MY EMAIL..... THIS HAS TO STOP.