这就是它对我说的：

**10:21:53  [Apache]    Problem detected!
10:21:53  [Apache]  Port 80 in use by "Unable to open process" with PID 4!
10:21:53  [Apache]  Apache WILL NOT start without the configured ports free!
10:21:53  [Apache]  You need to uninstall/disable/reconfigure the blocking application
10:21:53  [Apache]  or reconfigure Apache and the Control Panel to listen on a different port
10:21:53  [Apache]  Problem detected!
10:21:53  [Apache]  Port 443 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 3748!
10:21:53  [Apache]  Apache WILL NOT start without the configured ports free!
10:21:53  [Apache]  You need to uninstall/disable/reconfigure the blocking application
10:21:53  [Apache]  or reconfigure Apache and the Control Panel to listen on a different port
10:21:53  [main]    Starting Check-Timer
10:21:53  [main]    Control Panel Ready**

有人可以告诉我这意味着什么以及我如何补救它？非常感谢.