Apache Friends Support Forum

I have a problem with apache xampp on Win XP SP2:
I'm using XAMPP lite

i have apache 2.2.11 php 5.2.9 on Win XP pro Sp2 and every 5-20 minutes i have the message:
Parent: child process exited with status 3221225477

[Fri Apr 17 08:56:31 2009] [notice] Parent: child process exited with status 3221225477 -- Restarting.
[Fri Apr 17 08:56:33 2009] [notice] Digest: generating secret for digest authentication ...
[Fri Apr 17 08:56:33 2009] [notice] Digest: done
[Fri Apr 17 08:56:35 2009] [notice] mod_bw : Memory Allocated 88896 bytes (each conf takes 32 bytes)
[Fri Apr 17 08:56:35 2009] [notice] mod_bw : Version 0.8 - Initialized [2778 Confs]
[Fri Apr 17 08:56:35 2009] [notice] Apache/2.2.11 (Win32) PHP/5.2.9 mod_autoindex_color configured -- resuming normal operations
[Fri Apr 17 08:56:35 2009] [notice] Server built: Dec 10 2008 00:10:06
[Fri Apr 17 08:56:35 2009] [notice] Parent: Created child process 2976
[Fri Apr 17 08:56:35 2009] [notice] Disabled use of AcceptEx() WinSock2 API
[Fri Apr 17 08:56:37 2009] [notice] ModSecurity for Apache 2.1.3 configured
[Fri Apr 17 08:56:38 2009] [notice] Digest: generating secret for digest authentication ...
[Fri Apr 17 08:56:38 2009] [notice] Digest: done


How i can to know why apache crach ?
best regards