title: Invalid ThreadStackSize value - Apache error
body: <p>I receive this errors below in my Apache server when it receives a large number of visits:</p>
  <blockquote>
  <p>[Sun Aug 10 00:27:52.496342 2014] [mpm_winnt:notice] [pid 7340:tid 284] AH00428: Parent: child process 10028 exited with status 255 -- Restarting.</p>
  <p>AH00526: Syntax error on line 110 of C:/apache/conf/extra/httpd-mpm.conf:</p>
  <p><strong>Invalid ThreadStackSize value: 8388608</strong></p>
  </blockquote>
  <p>httpd-mpm.conf:</p>
  <pre><code>&lt;IfModule mpm_winnt_module&gt;
      ThreadsPerChild         1000
      MaxConnectionsPerChild  0
      ThreadStackSize         8388608
  &lt;/IfModule&gt;
  </code></pre>
  <p><strong>Apache 2.4.6 win64 VC11 update3</strong></p>
  <p>After the error the server simply closes. Already googled about this error I have not found absolutely nothing!</p>