title: Why do I get this error when I try to download this course from Udemy: Unable to download webpage, HTTP Error 403?
body: <p>I purchased a course from udemy and I am trying to download it with last version of youtube-dl but I get this error: <strong>Unable to download webpage: HTTP Error 403.</strong> I tried <code>--rm-cache-dir</code> option but I did not work too. So what is the problem?
  <br>
  <br><br>
  <a href="https://i.stack.imgur.com/cQqDo.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cQqDo.jpg" alt="enter image description here" /></a></p>