title: vagrant up command SSL certificate problem
body: <p>I'm on Windows 7. The Vagrant up command, it keep giving me this:</p>
  
  <pre><code>vagrant up Bringing machine 'default' up with 'virtualbox' provider... ==&gt; defau
  lt: Box 'ubuntu/trusty64' could not be found. Attempting to find and install... 
  default: Box Provider: virtualbox default: Box Version: &gt;= 0 ==&gt; default: Loadin
  g metadata for box 'ubuntu/trusty64' default: URL: https://vagrantcloud.com/ubun
  tu/trusty64 ==&gt; default: Adding box 'ubuntu/trusty64' (v20190514.0.0) for provid
  er: virtualbox default: Downloading: https://vagrantcloud.com/ubuntu/boxes/trust
  y64/versions/20190514.0.0/providers/virtualbox.box default: Download redirected 
  to host: cloud-images.ubuntu.com default: An error occurred while downloading th
  e remote file. The error message, if any, is reproduced below. Please fix this e
  rror and try again.
  
  SSL certificate problem: self signed certificate in certificate chain
  </code></pre>
  
  <p>I have searched the web for a solution but got nothing, also i'v try to reinstall the latest version of vagrant and virtual machine but got nothing</p>
  
  <p>Any ideas?????</p>