How can I resolve this issue so my Apache start o.k.

[Klarita]

19:28:15 [Apache] Status change detected: running
19:28:16 [Apache] Status change detected: stopped
19:28:16 [Apache] Error: Apache shutdown unexpectedly.
19:28:16 [Apache] This may be due to a blocked port, missing dependencies,
19:28:16 [Apache] improper privileges, a crash, or a shutdown by another method.
19:28:16 [Apache] Press the Logs button to view error logs and check
19:28:16 [Apache] the Windows Event Viewer for more clues
19:28:16 [Apache] If you need more help, copy and post this
19:28:16 [Apache] entire log window on the forums