I have the same problem I got this message please advice, the logs are empty, thanks,
Error: Apache shutdown unexpectedly.
4:29:36 PM [Apache] This may be due to a blocked port, missing dependencies,
4:29:36 PM [Apache] improper privileges, a crash, or a shutdown by another method.
4:29:36 PM [Apache] Press the Logs button to view error logs and check
4:29:36 PM [Apache] the Windows Event Viewer for more clues
4:29:36 PM [Apache] If you need more help, copy and post this
4:29:36 PM [Apache] entire log window on the forums