option1 is port 80 enabled if it not is enabled go to goto:[
portforward.com]
then choose your router and then typ your "ip-adress" if you did that go to the
bottom of the site and click the button
option 2 I think you have a second program running on port 80
option 3 if you would know for sure that the server is runnig goto:[
www.websitepulse.com]
4 option if all of above not work you don't have enabled youre firewall because youre firewall would
not show port 80 so enabled it