Press "Undo" to restore the settings that were in use before you opened this settings page.
Press "Default" to restore the settings to the installation state.
If "Confirm empty" is checked, you will get a chance to confirm emptying the trash can.
If "Confirm destroy" is checked, you will get a confirmation window when you select "Destroy object" of a trash object's context menu.
Note that if you are using &xwp;'s eXtended Shutdown, you can also have
the trash can emptied automatically before the system is shut down. This can be
enabled in the desktop's settings notebook.