title: Invalid VirtualBox parameter "–cpuidset"
body: <p>I want to add the OS X El Capitan to my Virtualbox on Windows 7. When I enter this code in the command prompt <code>VBoxManage.exe modifyvm "OS X El Capitan" –-cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff</code> the following error occurrs:     </p>
  
  <blockquote>
    <p><img src="https://i.stack.imgur.com/9SqmO.png" alt="VirtualBox in Command Line">
    At the very bottom, it displays the error: <code>VBoxManage.exe error: Invalid parameter ‘–cpuidset’</code></p>
  </blockquote>
  
  <p>What could be the reason for that?</p>