Is this a custom applet or Advansys commercial applet? If it is a custom applet then can you place a message box in Main subroutine to test the applet is called. See the example below:
Sub Main(Client, GWEvent) msgbox "Main()" .... .... End Sub
Could you post the Formativ configuration, you can obtain the configuration by selecting Help | About Formativ… from the GroupWise main menu. When the About Formativ dialog appears, go to the Configuration tab and click the button Copy to clipboard.