title: "resources.pri" file is missing or invalid when compiling sample of UWP with Desktop Extension
body: <p>When compiling the sample <a href="https://github.com/StefanWickDev/UWP-FullTrust/tree/master/UWP_FullTrust_3" rel="nofollow noreferrer">UWP with Desktop Extension Tutorial - Part 3</a> in <code>VS2019</code>, I'm getting the following error. I <code>Cleaned</code> the project and did a <code>re-build</code> but still the same error. Also manually cleaned <code>bin</code> and <code>obj</code> folders as suggested <a href="https://social.msdn.microsoft.com/Forums/windowsapps/en-US/7e4655fd-120b-4731-86c8-560e551caa29/the-quotresourcespriquot-file-is-missing-or-invalid?forum=wpdevelop" rel="nofollow noreferrer">here</a> but same error again:</p>
  
  <blockquote>
    <blockquote>
      <p>Error PRI252 0xdef00071 - File C:\UWP_FullTrust_3\UWP\bin\x86\Debug\resources.pri not found. File C:\UWP-FullTrust-master\UWP_FullTrust_3\Package\GENERATEPROJECTPRIFILE</p>
    </blockquote>
  </blockquote>
  
  <p><strong>Configuration Manager Settings in <code>VS2019</code> for this Project</strong>:</p>
  
  <p><a href="https://i.stack.imgur.com/iFRza.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iFRza.png" alt="enter image description here"></a>
  <strong>My system</strong>:</p>
  
  <pre><code>Windows 10 Pro - version 1809 - OS Build 17763.557
  </code></pre>