apache wont start could you please help?

[vivig]

10:51:18 μμ [Apache] or reconfigure Apache and the Control Panel to listen on a different port
10:51:18 μμ [Apache] Problem detected!
10:51:18 μμ [Apache] Port 443 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 4076!
10:51:18 μμ [Apache] Apache WILL NOT start without the configured ports free!
10:51:18 μμ [Apache] You need to uninstall/disable/reconfigure the blocking application
10:51:18 μμ [Apache] or reconfigure Apache and the Control Panel to listen on a different port
10:51:18 μμ [mysql] XAMPP MySQL is already running on port 3306
10:51:18 μμ [main] Starting Check-Timer
10:51:18 μμ [main] Control Panel Ready

[Altrea]

reconfigure Skype