title: Firefox 47.0 to crash on startup selenium webdriver
body: <p>Yesterday we updated Firefox 47.0 and selenium test script started getting crash,</p>
  
  <p>Please see attached screenshot. 
  <a href="https://i.stack.imgur.com/jBFYF.jpg" rel="noreferrer">Firefox getting crash</a>
  as mentioned in Firefox release notes they suggested to use Marionette WebDriver . We have downloaded Marionette WebDriver for windows and as mentioned in <a href="https://developer.mozilla.org/en-US/docs/Mozilla/QA/Marionette/WebDriver#Setting_up_the_Marionette_executable" rel="noreferrer">link</a> we made code changes by adding Marionette WebDriver in bin/debug folder.Below are code changes for same</p>
  
  <pre><code>var driver = new FirefoxDriver(new FirefoxOptions());
  </code></pre>
  
  <p>However we are facing issue "entity not found" </p>
  
  <p>Note : We are using c# selenium WebDriver on Windows7 64 bit OS and We tired below solution  such as </p>
  
  <ul>
  <li>Renamed Marionette WebDriver to wires.exe</li>
  <li>Add Marionette WebDriver exe path in Environment variable.</li>
  <li><p>Use RemoteWebDriver as shown below</p>
  
  <pre><code>    DesiredCapabilities capabilities = DesiredCapabilities.Firefox();
  
      // Set Marionette on so the Grid will use this instead of normal FirefoxDriver
  
      capabilities.SetCapability("marionette", true);
  
  
      var driver = new RemoteWebDriver(capabilities); 
  </code></pre></li>
  </ul>
  
  <p>Please somebody help in this issue. </p>