Who wrote the text for the Ctrl+Alt+Del dialog in Windows 3.1? (devblogs.microsoft.com)One of the differences between standard-mode Windows and enhanced-mode Windows was what happened when you hit Ctrl+Alt+Del. Since 16-bit Windows applications are co-operatively multi-tasked, it is easy to determine whether the system is responding, and if not, it is also easy to identify the application which is responsible. In that case, Windows gave you options to close the non-responsive application, restart the computer, or cancel.