title: Perforce Revert Shows "file(s) not opened on this client"
body: <p>I'm trying to open an existing Perforce application. I made some local changes, like deleting files, which I want to undo (that is, I want my local copy to exactly match the repository once more -- delete added files, restore deleted files, and undo changes).</p>
  
  <p>When I try to revert using the p4v gui client, I see this error:</p>
  
  <pre><code> file(s) not opened on this client
  </code></pre>
  
  <p>What am I doing wrong?</p>
  
  <p>I did manage to revert all the changed files, but not the added/removed files.</p>
  
  <p><strong>Edit:</strong> I did the following:</p>
  
  <ul>
  <li>Connect to a Perforce server using p4v</li>
  <li>Map a directory to my local file system (lets say <code>C:\Perforce</code>)</li>
  <li>Get the latest version of the repository</li>
  <li>Go to C:\Perforce in Windows Explorer</li>
  <li>Delete some files and folders</li>
  <li>Add some files and folders</li>
  </ul>
  
  <p>I would like to get back to the "pristine" state, the copy of exactly what's on the server when I got the latest version of the repository for the first time.</p>