Apache is unable to start

[abhinaya]

10:39:18 [Apache] Error: Apache shutdown unexpectedly.
10:39:18 [Apache] This may be due to a blocked port, missing dependencies,
10:39:18 [Apache] improper privileges, a crash, or a shutdown by another method.
10:39:18 [Apache] Press the Logs button to view error logs and check
10:39:18 [Apache] the Windows Event Viewer for more clues
10:39:18 [Apache] If you need more help, copy and post this
10:39:18 [Apache] entire log window on the forums

Please help me to resolve this issue

[Altrea]

Start here => [Q&A] Insufficient debug information - Apache starting issue