I know this is popular quest but this is peeing me off being unable to host

IM on wireless: Dlink dsl G604T IM SICK N FEDUP OF BEING UNABLE TO HOST reply with the answers to my problem I've tryd so many things but no help portfoward.com was to complicated firewall off doesn't help I'm pretty sure port 6112 is open still can't host!! :mad:
Reply as soon as you can. Any related answers would help me.