title: "There were not enough free threads in the ThreadPool to complete the operation."
body: <p>I got the following error message while downloading using multiple threads:</p>
  
  <blockquote>
    <p>There were not enough free threads in the ThreadPool to complete the
    operation.</p>
  </blockquote>
  
  <p>Should I try to change the default settings for the threadpool in the .net, and how can I do it?</p>