help me solve the error

[subhendu_dhara]

Error: Apache shutdown unexpectedly.
2:56:18 PM [Apache] This may be due to a blocked port, missing dependencies,
2:56:18 PM [Apache] improper privileges, a crash, or a shutdown by another method.
2:56:18 PM [Apache] Press the Logs button to view error logs and check
2:56:18 PM [Apache] the Windows Event Viewer for more clues
2:56:18 PM [Apache] If you need more help, copy and post this
2:56:18 PM [Apache] entire log window on the forums