xampp not working

[Ankit]

following messages displayed in red color
Error: Apache shutdown unexpectedly.
5:56:01 PM [Apache] This may be due to a blocked port, missing dependencies,
5:56:01 PM [Apache] improper privileges, a crash, or a shutdown by another method.
5:56:01 PM [Apache] Press the Logs button to view error logs and check
5:56:01 PM [Apache] the Windows Event Viewer for more clues
5:56:01 PM [Apache] If you need more help, copy and post this
5:56:01 PM [Apache] entire log window on the forums
i am newbiee so please help me....!!!!