Controls the display of confirmation, warning, and error dialog boxes.
This variable can be set to zero (0) to suppress dialogs for scripting.
| Type: | Switch | 
| Saved in: | Registry | 
| Initial value: | 2 | 
| 0 | Do not display confirmation, warning, or error dialog boxes. | 
| 1 | Display warning and error dialog boxes. | 
| 2 | Display confirmation, warning, and error dialog boxes. |