A problem can occur if a plug-in fails to load. To see which plug-ins are loaded:
Select > > .
Open the PDE Runtime folder.
Click > .
The Plug-in Registry page lists the Designer plug-ins, which have a green triangle in the plug-in icon.
Use the icon to bring you to the top of the plug-in list.
Select a plug-in and use the icon to drill into the plug-in, and use the icon to return.
Use the icon to refresh the Plug-In Registry view.
Use the Plug-In Registry view toolbar to select .