我启动阿帕奇服务器程序时，发生如下报错：
15:40:53 [Apache] Error: Apache shutdown unexpectedly.
15:40:53 [Apache] This may be due to a blocked port, missing dependencies,
15:40:53 [Apache] improper privileges, a crash, or a shutdown by another method.
15:40:53 [Apache] Press the Logs button to view error logs and check
15:40:53 [Apache] the Windows Event Viewer for more clues
15:40:53 [Apache] If you need more help, copy and post this
15:40:53 [Apache] entire log window on the forums