This is actually a Windows problem rather than a Enterprise Organizer Pro problem. Here’s the cause: occasionally when Thunderbird issues a new release, the new version fails to register properly with Windows. As a result, it’s no longer recognized as the default email client. Here’s a Thunderbird forum that discusses the problem and solutions:
http://forums.mozillazine.org/viewtopic.php?f=28&t=1312395
Article ID: 178
Created On: Mon, Oct 28, 2013 at 1:37 PM
Last Updated On: Fri, Nov 1, 2013 at 5:16 PM
Authored by: KB Admin01 [[email protected]]
Online URL: https://kb.quikbox.com/article.php?id=178