I have an accounting program I've developed that is DOS. It uses a batch file (.bat)to load the database manager then runs an executable (.exe). I send the .bat to the desk top which creates the shortcut. When the shortcut runs, the opening screen of the program loads in the top half of the screen. By pressing & holding the "alt" key while pressing the "enter" key, the screen temporarily goes "black" then the application comes up in full screen. Works for XP Pro and Home versions. If your DOS program doesn't use a .bat file to startup, I'd try sending the .exe to the desktop as a shortcut and see if that works. Or, try the "alt" & "enter" keys as stated above as your program runs now. Hope this helps.