title: IIS app pool crashing with exception 0xc0000005
body: <p>My app pool keeps crashing when I use a .net provider written by a third party. I'm not sure where to even begin to troubleshoot the issue.</p>
  
  <p>I used Event Viewer to get the following information:</p>
  
  <pre>
  Faulting application name: w3wp.exe, version: 7.5.7601.17514, time stamp: 0x4ce7a5f8
  Faulting module name: ntdll.dll, version: 6.1.7601.17514, time stamp: 0x4ce7b96e
  Exception code: 0xc0000005
  Fault offset: 0x00052d94
  Faulting process id: 0x162c
  Faulting application start time: 0x01cd8ad4f6ad757b
  Faulting application path: c:\windows\system32\inetsrv\w3wp.exe
  Faulting module path: C:\windows\SYSTEM32\ntdll.dll
  Report Id: 36661c3b-f6c8-11e1-830c-180373c0a6cd  
  </pre>
  
  <pre><code>  &lt;Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"&gt;
    &lt;System&gt;
    &lt;Provider Name="Application Error" /&gt; 
    &lt;EventID Qualifiers="0"&gt;1000&lt;/EventID&gt; 
    &lt;Level&gt;2&lt;/Level&gt; 
    &lt;Task&gt;100&lt;/Task&gt; 
    &lt;Keywords&gt;0x80000000000000&lt;/Keywords&gt; 
    &lt;TimeCreated SystemTime="2012-09-04T19:39:17.000000000Z" /&gt; 
    &lt;EventRecordID&gt;26328&lt;/EventRecordID&gt; 
    &lt;Channel&gt;Application&lt;/Channel&gt; 
    &lt;Computer&gt;my computer&lt;/Computer&gt; 
    &lt;Security /&gt; 
    &lt;/System&gt;
    &lt;EventData&gt;
    &lt;Data&gt;w3wp.exe&lt;/Data&gt; 
    &lt;Data&gt;7.5.7601.17514&lt;/Data&gt; 
    &lt;Data&gt;4ce7a5f8&lt;/Data&gt; 
    &lt;Data&gt;ntdll.dll&lt;/Data&gt; 
    &lt;Data&gt;6.1.7601.17514&lt;/Data&gt; 
    &lt;Data&gt;4ce7b96e&lt;/Data&gt; 
    &lt;Data&gt;c0000005&lt;/Data&gt; 
    &lt;Data&gt;00052d94&lt;/Data&gt; 
    &lt;Data&gt;162c&lt;/Data&gt; 
    &lt;Data&gt;01cd8ad4f6ad757b&lt;/Data&gt; 
    &lt;Data&gt;c:\windows\system32\inetsrv\w3wp.exe&lt;/Data&gt; 
    &lt;Data&gt;C:\windows\SYSTEM32\ntdll.dll&lt;/Data&gt; 
    &lt;Data&gt;36661c3b-f6c8-11e1-830c-180373c0a6cd&lt;/Data&gt; 
    &lt;/EventData&gt;
    &lt;/Event&gt;
  </code></pre>