title: "vagrant up" stalls at "default: Verifying Hyper-V is enabled" on Windows 7
body: <p>When trying vagrant with the following setup:</p>
  
  <pre><code>vagrant.exe box add ubuntu/trusty64
  </code></pre>
  
  <p>Vagrantfile:</p>
  
  <pre><code>config.vm.box = "ubuntu/trusty64"
  </code></pre>
  
  <p>when running:</p>
  
  <pre><code>vagrant.exe up
  </code></pre>
  
  <p>It stalls immediately after issuing the command at:</p>
  
  <pre><code>"default: Verifying Hyper-V is enabled"
  </code></pre>
  
  <p>I also observed that a ruby program of Vagrant took almost a full CPU of 4 on my machine forever. </p>
  
  <p>Do you know what's the cause, and how to fix it?</p>
  
  <p>Thanks!</p>