title: Where can i find CreateProcess error codes' details?
body: <p>I'm running in php the following:</p>
  
  <pre><code>$res = proc_open($cmd, $descriptorspec, $pipes, "C:\\xampp\htdocs\\",null,array('bypass_shell'=&gt;true));
  </code></pre>
  
  <p>Problem is that it gives the following error:</p>
  
  <pre><code>Warning: proc_open(): CreateProcess failed, error code - 3
  </code></pre>
  
  <p>Where can I find out what the error means?</p>
  
  <p>PS: it's on a Windows Server 2007. SP2. User is admin, full acess. PHP is version 5.3.1</p>