I am running PHP 5.3.8 non-thread-safe version with IIS 7 on windows server 2008

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Asked: June 5, 20262026-06-05T12:51:07+00:00 2026-06-05T12:51:07+00:00

I am running PHP 5.3.8 non-thread-safe version with IIS 7 on windows server 2008

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I am running PHP 5.3.8 non-thread-safe version with IIS 7 on windows server 2008 . I have the following code

<?php
echo "Started..<br/>";

$outStr = "";
 $stack = new DOTNET("mscorlib", "System.Collections.Stack");
 $stack->Push(".Net");
 $stack->Push("Hello ");
 echo $stack->Pop() . $stack->Pop();
 echo "<br/>".$_SERVER['REQUEST_TIME']."<br/>";
?>

It will crash every other time ( work , crash , work , crash, …. etc ).
The error reported to the web browser is :

HTTP Error 500.0 – Internal Server Error
c:\php\php-cgi.exe – The FastCGI process exited unexpectedly

I tried other .net assemblies (I wrote with C#) and get the same crashing behaviour (every other time).

Please help.

I am using .net 4 . In my c:\php directory I have a php-cgi.exe.config file as follow:

<?xml version="1.0"?>
<configuration>
  <startup useLegacyV2RuntimeActivationPolicy="true">
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
  </startup>
</configuration>

But even with .net 3.5 I get the same crashing behaviour.

If I run the php script in command line as follow , it seems to work everytimes, but I really need my php web app to work without crashes ( I have NO php.exe.config .. none )