title: vagrant up - server not starting because a ssh library issue
body: <p>I get this errormessage:</p>
  
  <blockquote>
    <p>An error occurred in the underlying SSH library that Vagrant uses. The
    error message is shown below. In many cases, errors from this library
    are caused by ssh-agent issues. Try disabling your SSH agent or
    removing some keys and try again.</p>
  </blockquote>
  
  <p>It is my first time with vagrant.</p>
  
  <p>I took a tour through this tutorial.</p>
  
  <p><a href="https://wpbeaches.com/setting-up-a-wordpress-vvv-vagrant-workflow/" rel="noreferrer">https://wpbeaches.com/setting-up-a-wordpress-vvv-vagrant-workflow/</a></p>
  
  <p>I've windows 10, vagrant 1.8.5, Oracle VM newest version.</p>
  
  <p>I read a lot about this issue but nothing helps me.</p>
  
  <p>Maybe somebody knows a solution.</p>