XAMPP - Error al iniciar Apache

Mensaje error:
11:15:36  [Apache] Error: Apache shutdown unexpectedly.
11:15:36  [Apache] This may be due to a blocked port, missing dependencies,
11:15:36  [Apache] improper privileges, a crash, or a shutdown by another method.
11:15:36  [Apache] Press the Logs button to view error logs and check
11:15:36  [Apache] the Windows Event Viewer for more clues
11:15:36  [Apache] If you need more help, copy and post this
11:15:36  [Apache] entire log window on the forums

Solución: fue simplemente definir otros puerto para arrancar el servidor web.

Paso 1: Modificar fichero “httpd.conf”

Ruta: C:\xampp\apache\conf

Modificar:

#Listen 12.34.56.78:80

Listen 80

por

#Listen 12.34.56.78:80

Listen 8080

Paso 2: Modificar fichero “httpd-ssl.conf”

Ruta: C:\xampp\apache\conf\extra

Modificar:

# When we also provide SSL we have to listen to the

# standard HTTP port (see above) and to the HTTPS port

#

Listen 443

Por

# When we also provide SSL we have to listen to the

# standard HTTP port (see above) and to the HTTPS port

#

Listen 4433