WinTopMost software is a desktop utility for an easy control running applications:

A) It disables close button for selected applications or just some windows based on application name or captions to ensure a proper use when there is a requirement of a clean logout before exit;
This feature can secure connections for example using Telnet or preventing impatient users to cancel a DOS batch and consequently causing abnormal termination 

B) WinTopMost also lets you manage topmost applications to be always visible on your desktop i.e. front end of all other windows displayed.