How to fix: System File not suitable for running MS-DOS and Windows applications.
"The system file is not suitable for running MS-DOS and Microsoft Windows applications" error message, regarding the "autoexec.nt" or the "config.nt" file(s) may appear on a Windows 32 bit based computer (Windows 10, 8, 7, Vista or XP), when you try to run or install a 16 bit MS-DOS application.
