Apache Friends Support Forum

My apache does not start.

what should I do

It says :
Error: Apache shutdown unexpectedly.
16:40:56 [Apache] This may be due to a blocked port, missing dependencies,
16:40:56 [Apache] improper privileges, a crash, or a shutdown by another method.
16:40:56 [Apache] Press the Logs button to view error logs and check
16:40:56 [Apache] the Windows Event Viewer for more clues
16:40:56 [Apache] If you need more help, copy and post this
16:40:56 [Apache] entire log window on the forums

Many hints in what you posted. Follow instructions and someone might be able to help.