Help i turned on norton backup on norton from comcast inadvertently i don't need it.

Hi i have a diferent backup stratagy i use my hard drive is almost full i need to delete this file norton created i turned it on by acsadent and it did not even ask me it just started to do it i imedeatly cancelled it, went to my drive to delete it? but i have to take controll of the folder, i need the free space how can i remove this backup file??. Just delete it take control of it and remove it?