After moving to the XII version I got random Apache crashes. They can be triggered by simply F5 spamming refresh on same PHP page over and over.
[Thu Mar 17 14:24:20.550111 2016] [mpm_winnt:notice] [pid 11240:tid 544] AH00428: Parent: child process 9228 exited with status 3221225477 -- Restarting.
[Thu Mar 17 14:24:20.662118 2016] [mpm_winnt:notice] [pid 11240:tid 544] AH00455: Apache/2.4.18 (Win32) PHP/7.0.3 configured -- resuming normal operations
[Thu Mar 17 14:24:20.662118 2016] [mpm_winnt:notice] [pid 11240:tid 544] AH00456: Apache Lounge VC14 Server built: Dec 9 2015 10:17:39
[Thu Mar 17 14:24:20.663118 2016] [core:notice] [pid 11240:tid 544] AH00094: Command line: 'C:\\UniServerZ\\core\\apache2\\bin\\httpd_z.exe -d C:/UniServerZ/core/apache2 -f C:\\UniServerZ\\core\\apache2\\conf\\httpd.conf -d C:\\UniServerZ\\core\\apache2'
[Thu Mar 17 14:24:20.664118 2016] [mpm_winnt:notice] [pid 11240:tid 544] AH00418: Parent: Created child process 11352
[Thu Mar 17 14:24:21.311155 2016] [mpm_winnt:notice] [pid 11352:tid 692] AH00354: Child: Starting 150 worker threads.Googling the code comes up with a lot of esoteric fixes, but a lot of them are from PHP5 times. Any suggestions on how to diagnose what is causing this?