Starting Failed, Port 80 in use by “Unable to open process” with PID 4!

Cisco: windows10

The end of 80 is used by PID and 4.

Reference document: how to look at the win10 terminals

solution:

Reference: XAMPP – Port 80 in use by “Unable to open process” with PID 4! 12

Change the end of Apache

Step1: config–> Apache(httpd.conf)

Step2: modify httpd.conf, Listen 80 change Listen 8080

#Listen 12.34.56.78:8080
Listen 8080

Server localhost:80 Change Server localhost:8080

Step3: config-> Service and Port Settings -> Apache-> Main Port -> change 8080