When the desktop app display this message, please check the following:

• The version of Gemini web app is 2.0.2 or higher.
• WSE2.0 SP3 is installed on the web server. Please note that WSE3.0 will not work.
• The URL you are using is correct and should match the FullGeminiURL setting, which is in the web.config file.

If all the above is true and the app still does not work then run the app with the -d option (from the command line). This will display a detailed error message, send it to us please.