title: Unable to access Excel's Application.ComAddIns property if there are no AddIns installed
body: <p>This code snipped for the Windows Scripting Host displays the number of COM-AddIns currently installed into Excel. </p>
  
  <p>It works fine except for when there are no COM-AddIns installed. I believe it should output a "0", but instead it raises an exception (code 800A03EC). Does anyone know why?</p>
  
  <pre><code>test.vbs
  
  Set objExcel = CreateObject("Excel.Application")
  WScript.Echo objExcel.ComAddIns.Count
  </code></pre>