title: External component has thrown an exception
body: <p>I have a ASP.NET website using C# that calls a C++ method using <code>DLLImport</code>.  Everything was working fine and suddenly I keep getting this error:</p>
  
  <blockquote>
    <p>External component has thrown an exception. Description: An unhandled
    exception occurred during the execution of the current web request.
    Please review the stack trace for more information about the error and
    where it originated in the code.</p>
    
    <p>Exception Details: System.Runtime.InteropServices.SEHException:
    External component has thrown an exception.</p>
    
    <p>Source Error: An unhandled exception was generated during the
    execution of the current web request. Information regarding the origin
    and location of the exception can be identified using the exception
    stack trace below.</p>
  </blockquote>