Apache doesn't start

[Lalit Atrish]

I have tried everything, checked that nothing is possessing 80 and 443 ports and even after that I did change all ports of apache. And after everything I am having same error. but whenever i install it again, it runs then but only for first attempt(you can check the same thing in log too, below).... help me


13:15:03 [main] Initializing Control Panel
13:15:03 [main] Windows Version: Windows 8 64-bit
13:15:03 [main] XAMPP Version: 5.6.20
13:15:03 [main] Control Panel Version: 3.2.2 [ Compiled: Nov 12th 2015 ]
13:15:03 [main] Running with Administrator rights - good!
13:15:03 [main] XAMPP Installation Directory: "e:\xampp\"
13:15:03 [main] Checking for prerequisites
13:15:15 [main] All prerequisites found
13:15:15 [main] Initializing Modules
13:15:15 [main] Starting Check-Timer
13:15:15 [main] Control Panel Ready
13:15:30 [Apache] Attempting to start Apache app...
13:15:31 [Apache] Status change detected: running
13:39:18 [Apache] Attempting to stop Apache (PID: 3184)
13:39:18 [Apache] Attempting to stop Apache (PID: 1240)
13:39:18 [Apache] Status change detected: stopped
13:39:22 [Apache] Attempting to start Apache app...
13:39:22 [Apache] Status change detected: running
13:39:25 [Apache] Status change detected: stopped
13:39:25 [Apache] Error: Apache shutdown unexpectedly.
13:39:25 [Apache] This may be due to a blocked port, missing dependencies,
13:39:25 [Apache] improper privileges, a crash, or a shutdown by another method.
13:39:25 [Apache] Press the Logs button to view error logs and check
13:39:25 [Apache] the Windows Event Viewer for more clues
13:39:25 [Apache] If you need more help, copy and post this
13:39:25 [Apache] entire log window on the forums

[Altrea]

There are much more information you can provide, like apache_start.bat output
=> [Q&A] Insufficient debug information - Apache starting issue