Solución Error Xampp (Port 80 in use by...)

Descripción del error:

[Apache]   Problem detected!
[Apache]   Port 80 in use by "Unable to open process" with PID 4!
[Apache]   Apache WILL NOT start without the configured ports free!
[Apache]   You need to uninstall/disable/reconfigure the blocking application
[Apache]   or reconfferigure Apache and the Control Panel to listen on a difent 

Solución en imágenes:

Ir a configuración - editar httpd.conf y establecer el puerto 8080 por defecto para la escucha de apache.

Listen 8080

ServerName localhost:8080

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