Shutdown Windows with Confirmation Dialog and Voice Alert. Call Shutdown Windows from command prompt or script. Enable / Disable Voice Alert. Voice can be changed from Control Panel. Normal Computer Shutdown is initiated by Shutdown Windows Utility. In case you have any unopened documents, documents would not be closed and computer shutdown will fail and Windows will display a screen asking you whether to close the unopened / unsaved documents or not, where you can opt to shutdown computer or cancel computer shutdown. Voice Alert can save accidental computer shutdown, in case you are using Shutdown Windows from command prompt or from a script.