In Windows, find the process that opened the port and disable it.

Use netstat-ano | find "port number" to check whether the last column is PID, c: \ Documents ents and Settings \ Zhang-long> netstat-ano | find "8080"
TCP 0.0.0.0: 8080 0.0.0.0: 0 listening 7632for piduse the following statement name. The first column is the input name, such as python.exe, c: \ Documents ents and Settings \ Zhang-long> tasklist/fi "pid eq 7632"
Image name PID session name session # memory usage
========================================================== ======================================
Python.exe 7632 console 0 10,764 K
Finally, run the following command taskkill/f/IM process .exe, for example, C: \ Documents ents and Settings \ Zhang-long> taskkill/f/IM python.exe.
Succeeded: the process "python.exe" has been terminated, and its PID is 7632.