title: "The request was aborted: Could not create SSL/TLS secure channel"
body: <p>Sometimes my client is getting an error during the payment process:</p>
  
  <blockquote>
    <p>The request was aborted: Could not create SSL/TLS secure channel.</p>
  </blockquote>
  
  <p><code>Authorize.NET</code> has been used for the payment system. .Net 4.0 Framework is being used. This error is occurring sometimes, why?</p>