well if it won't help,firewall or not,no reason to even get one. and secondly all he is doing is overloading my packets. i don;t think he needs access to my PC, by hacking into it for example, to do it. when i tried changing my nick he knew it was me because selectiong /whois nick gives him my ip address and that's what he goes by to overload my packets again. and i run my anti-virus every day and there are no viruses in it.