How do I get past, "The server returned an invalid or unrecognized response"?

It is our pleasure to provide this software free of charge to help you in your ministry. We're so thankful for our partners who make this possible!

[Edit Tags]

This is more than likely an issue with your internet connection. Or it's an issue with your organization's web server. Try the suggestions in this FAQ article:
http://www.tntware.com/tntmpd/faqs/en/troubleshooting-internet-connection-issues.aspx