title: How to open PDF from C# application running as an administrator
body: <p>I have an C# windows forms application ( .Net 4 client profile) which needs to run as an administrator.</p>
  
  <p>For that I have added the manifest file and it runs fine.</p>
  
  <p>The problem I am facing is when I want to open a PDF file (Help file) from the application on click of a button.</p>
  
  <p>I have following code to do it.</p>
  
  <pre><code>Process.Start("&lt;FullyQualifiedPath&gt;\Help.pdf");
  </code></pre>
  
  <p>The code executes without any exceptions thrown. 
  But the Adobe reader process just sits as background process in the task manager, it does not really opens up the file!</p>
  
  <p>If you run the same code without running the parent application under administrator privileges, then the pdf file opens up just fine.</p>
  
  <ol>
  <li><p>Operating systems I have tried this on are Windows 8 and Windows 7</p></li>
  <li><p>File does exist on the file system</p></li>
  <li><p>I have tried opening the file by specifying it as an argument to both "cmd.exe" and "explorer.exe", saw the same behavior in both the cases.</p></li>
  </ol>