it_IT, 800x600, open control-center, maximize.
Click on all the components.
If you click on (I use their English names):
the right panel is enlarged over the end of the screen and you cannot
control the window anymore.
This does not happen using en_US.
Don't think this is specific to the Italian translation - gnomecc is just really
broken on displays < 1024x768
Rawhide now contains a way to launch the capplets individually.