Error HRESULT E_FAIL has been returned from a call to a COM component "C#"
<p>My scenario:<br>
   i'm trying to disabled/Hide  MenuBar from  Word document i got the following error "Error HRESULT E_FAIL has been returned from a call to a COM component "</p>

<pre><code>        Word.Application App = new Word.Application();
        App.CommandBars.ActiveMenuBar.Visible = false;
</code></pre>
