title: I can't activate the license in unity hub
body: <p>I reinstalled <strong>windows 10</strong>. I downloaded unity hub from the official site. Running unity hub I saw the error "<strong>You have no valid license</strong>".</p>
  
  <p>There are 2 buttons "manage license" and "dismiss" on the error. I click on "manage license" and I get to the "License management" page in the Unity hub settings, I click on Activate new license "select" Unity personal "further on" I don’t use Unity in a professional capacity "and click" Done And a <strong>new error</strong> appears <strong>failed to reach unity license server</strong>, after that I return to the" License management "page in the settings Unity hub, and click on "<strong>Manual activation</strong>" further on "<strong>Save license request</strong>" And <strong>nothing happens</strong>. I tested everything! </p>
  
  <ol>
  <li>Disabled the Windows firewall. </li>
  <li>Disabled Windows antivirus. </li>
  <li>Cleared the registry.</li>
  </ol>
  
  <p>I have installed: Unity 2019.2.12f1 and Unity 2018.4.12f1.</p>