Base Distribution

Hello,

My System:
OS: Windows 7
Bundle: XAMPP v1.8.1

I installed Neos by this instruction.
Everything works fine, but I get this error message all day when surfing in front- or in backend:

Problemsignatur:
Problemereignisname: APPCRASH
Anwendungsname: httpd.exe
Anwendungsversion: 2.4.3.0
Anwendungszeitstempel: 502f70a3
Fehlermodulname: php5ts.dll
Fehlermodulversion: 5.4.7.0
Fehlermodulzeitstempel: 505114f8
Ausnahmecode: c0000005
Ausnahmeoffset: 00035ce8
Betriebsystemversion: 6.1.7601.2.1.0.256.4
Gebietsschema-ID: 1031
Zusatzinformation 1: 0a9e
Zusatzinformation 2: 0a9e372d3b4ad19135b953a78882e789
Zusatzinformation 3: 0a9e
Zusatzinformation 4: 0a9e372d3b4ad19135b953a78882e789

I think this is the corresponding error in the log-File from apache:
[Wed Dec 12 13:29:27.655765 2012] [mpm_winnt:notice] [pid 1412:tid 248] AH00428: Parent: child process exited with status 3221225477 -- Restarting.

The strange thing is, that nothing crashes like it says, it works fine, I only have to click "Programm schließen / Close program" and the website resumes loading.
XAMPP Control Panel also says, that apache is still running...

I googled a bit and tried all of this solutions:

Set in httpd.conf:

TraceEnable off
EnableMMAP off
EnableSendfile Off

output_buffer to 5000000

<IfModule mpm_winnt.c>
ThreadsPerChild 50
MaxRequestsPerChild 0
ThreadStackSize 8388608
</IfModule>

AcceptFilter http none
<IfDefine AEX>
Win32DisableAcceptEx
</IfDefine>

...But nothing works.

Can someone help me?