I know the Nabble team have been having problems recently with the speed of the n2 server. I wonder if you may be suffering from a side effect of those speed problems...
Perhaps the menus are just not opening properly and you either click on an area that the program believes should be showing a different option or it is not appearing at all in a reasonable time.
Volunteer Helper - but recommending that users move off the platform!
Once the admin for GregHelp now deleted.