Dear Sevec, opening/closing in-game applications (gapps/sapps) button is bugged.
The bug: The button of closing/opening in-game applications is always set to 'Close applications', even if applications are closed.
How is that?: Try to close your group/squad in-game applications (Click on 'Close applications' button), the button will be renamed to 'Open applications'. Now re-open your group/squad in-game applications GUI and move to Manage Applications tab, you'll find the button renamed to 'Close applications' while apps are already closed.
So every time you want to open your group/squad applications, you'll have to click on 'Close applications' twice.