I have a home computer dell which I installed mcafee virus protection with it, my computer broke down and had to have everything re installed but did not get mcafee since then have had another virus protector and do not wish your protection any more I have received my visa account to find I have been charged £24.99 on 7th October ref 866-622-3911 CA my name is Mrs Daphne and my visa account is Halifax Visa could you please send me an address where I may write to or telephone number to sort this out.