I get this message while trying to start apache in xampp control panel:
5:38:10 PM [Apache] Error: Apache shutdown unexpectedly.
5:38:10 PM [Apache] This may be due to a blocked port, missing dependencies,
5:38:10 PM [Apache] improper privileges, a crash, or a shutdown by another method.
5:38:10 PM [Apache] Press the Logs button to view error logs and check
5:38:10 PM [Apache] the Windows Event Viewer for more clues
5:38:10 PM [Apache] If you need more help, copy and post this
5:38:11 PM [Apache] entire log window on the forums