title: Error when trying vagrant up
body: <p>I'm using Vagrant for my environment and I've got a little issue:</p>
  
  <pre><code>$vagrant up
  
  Bringing machine 'default' up with 'virtualbox' provider...
  ==&gt; default: Box 'base' could not be found. Attempting to find and install...
      default: Box Provider: virtualbox
      default: Box Version: &gt;= 0
  ==&gt; default: Adding box 'base' (v0) for provider: virtualbox
      default: Downloading: base
  
  An error occurred while downloading the remote file. The error
  message, if any, is reproduced below. Please fix this error and try
  again.
  
  Couldn't open file /Users/.../base
  </code></pre>
  
  <p>I have initialised my project with <code>vagrant init</code> but for some reason <code>vagrant up</code> refuses to work.</p>