Apache Friends Support Forum

Please try to restart your computer after these changes and retry to start Apache

I restarted the pc
have re installed XAMPP

the error log is:
21:28:[Sat May 06 21:31:26.834641 2017] [ssl:warn] [pid 5876:tid 528] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat May 06 21:31:27.022143 2017] [ssl:warn] [pid 5876:tid 528] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat May 06 21:31:27.053412 2017] [mpm_winnt:notice] [pid 5876:tid 528] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Sat May 06 21:31:27.053412 2017] [mpm_winnt:notice] [pid 5876:tid 528] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Sat May 06 21:31:27.053412 2017] [core:notice] [pid 5876:tid 528] AH00094: Command line: 'c:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Sat May 06 21:31:27.053412 2017] [mpm_winnt:notice] [pid 5876:tid 528] AH00418: Parent: Created child process 5268
[Sat May 06 21:31:27.522150 2017] [ssl:warn] [pid 5268:tid 596] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat May 06 21:31:27.740902 2017] [ssl:warn] [pid 5268:tid 596] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat May 06 21:31:27.772154 2017] [mpm_winnt:crit] [pid 5268:tid 596] (OS 109)The pipe has been ended. : AH00404: Child: Unable to read socket data from parent
[Sat May 06 21:31:27.772154 2017] [mpm_winnt:crit] [pid 5876:tid 528] AH00427: Parent: child process 5268 exited with status 3 -- Aborting.

21:54:36 [main] Initializing Control Panel
21:54:36 [main] Windows Version: Pro 64-bit
21:54:36 [main] XAMPP Version: 5.6.30
21:54:36 [main] Control Panel Version: 3.2.2 [ Compiled: Nov 12th 2015 ]
21:54:36 [main] Running with Administrator rights - good!
21:54:36 [main] XAMPP Installation Directory: "c:\xampp\"
21:54:36 [main] Checking for prerequisites
21:54:36 [main] All prerequisites found
21:54:36 [main] Initializing Modules
21:54:36 [main] The FileZilla module is disabled
21:54:36 [main] The Mercury module is disabled
21:54:36 [main] Starting Check-Timer
21:54:36 [main] Control Panel Ready
21:54:39 [Apache] Attempting to start Apache app...
21:54:39 [Apache] Status change detected: running
21:54:41 [Apache] Status change detected: stopped
21:54:41 [Apache] Error: Apache shutdown unexpectedly.
21:54:41 [Apache] This may be due to a blocked port, missing dependencies,
21:54:41 [Apache] improper privileges, a crash, or a shutdown by another method.
21:54:41 [Apache] Press the Logs button to view error logs and check
21:54:41 [Apache] the Windows Event Viewer for more clues
21:54:41 [Apache] If you need more help, copy and post this
21:54:41 [Apache] entire log window on the forums

solved, I have switched to port 8080

Horrible. Worst "solution" ever.