The Microsoft Developer Network describes a Winlogon Notification Package as: A DLL that exports functions that handles Winlogon events. For example, when a user logs on to the system, Winlogon calls each notification package’s logon event handler function to provide information about the event.   As you might now, the mechanism of a Winlogon Notification Package is available in Windows 2000, Windows XP and Windows 2003 Server. In...