Pid=4 problem with 80 ports in Windows being consumed by the system

In Windows, if Tomcat needs to use port 80 and finds that the port is already occupied, Netstat-ano discovers that the 80 port is occupied by a system process, and pid=4. We can find the corresponding process in the following way and then end the process.

First of all, open the cmd run this sentence, 80 port by the system occupation, must be the HTTP service to make the ghost

netsh http show servicestate

See ReportServer slightly puzzled

Let's go ahead and get the PID using port 80, what are we waiting for? Open taskmgr! (Task Manager)

How the Task Manager views the PID:

It is all right to end the process.

Reference: http://www.cnblogs.com/firstdream/p/5804990.html

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Pid=4 problem with 80 ports in Windows being consumed by the system