Не могу запустить xampp, что делать?

21:02:27 [Apache] Error: Apache shutdown unexpectedly.
21:02:27 [Apache] This may be due to a blocked port, missing dependencies,
21:02:27 [Apache] improper privileges, a crash, or a shutdown by another method.
21:02:27 [Apache] Press the Logs button to view error logs and check
21:02:27 [Apache] the Windows Event Viewer for more clues
21:02:27 [Apache] If you need more help, copy and post this
21:02:27 [Apache] entire log window on the forums