No response to emails and being ignored after account paid up

Account paid up over a week ago, i keep sending emails to have it closed and a paid up letter emailed to me and thus falls on deaf ears...my emails are simply ignored. Please note that i will not pay a cent more due to your incompetence and refusal to do you jobs. i will go to other social media platforms should you still refuse to do your job and end up reporting this to the ombudsman, simple