PM 06:15:11  [Apache]  This may be due to a blocked port, missing dependencies,
PM 06:15:11  [Apache]   improper privileges, a crash, or a shutdown by another method.
PM 06:15:11  [Apache]   Press the Logs button to view error logs and check
PM 06:15:11  [Apache]   the Windows Event Viewer for more clues
PM 06:15:11  [Apache]   If you need more help, copy and post this
PM 06:15:11  [Apache]   entire log window on the forums
PM 06:15:17  [Apache]   Problem detected!
PM 06:15:17  [Apache]   Port 80 in use by "Unable to open process" with PID 4!
PM 06:15:17  [Apache]   Apache WILL NOT start without the configured ports free!
PM 06:15:17  [Apache]   You need to uninstall/disable/reconfigure the blocking  application
   PM 06:15:17  [Apache]    or reconfigure Apache and the Control Panel to listen on a different port