If they make a run at install them again, they will get the following message.
Of course they will still have access to the default Gadgets that come with Windows 7.
Disable All Desktop GadgetsYou might want to disable all gadgets, including the ones that came with Windows 7.
Again youll need to log off all users and log back on for the changes to take effect.
Now when a user tries to jump into the Desktop Gadgets Gallery theyll receive the following message.