System.AccessViolationException
<p>InnerException: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.MoveNext()</p>

<p>I am getting this exception few times a day in our website. The page that create PDF file from 
the uploaded image files result in above excption. Do you have any idea what could be causing it.</p>
