I cannot host on port 80, because there is an application on the background, which hosts on port 80. How do I find out which program it is?
Get local application
Get application command line:
Get service command line:
Portqry 2.0 test port 80:
Portqry Support Tools test port 80 UDP and TCP:
GUI TCPView v3.05:
Far manager get Service command line, PID:
Open command promt and type
that will show you all open ports and the process IDs associated with them. There you can find the PID which is responsible for port 80 being taken and find that PID in Task Manager.