c:\windows\system32\autoexec.nt. The system file is not suitable for running MS-DOS and Microsoft
Windows applications. Choose Close to terminate the application.

Error message when you install or start an MS-DOS or 16-bit Windows-based program
http://support.microsoft.com/?kbid=324767

Replace the standard version of autoexec.nt/config.nt by copying a backup copy located in
%windir%\repair\ to %windir%\system32\
(NB: %windir% is typically C:\Windows)

Start>Run and type in this without the quotes:
"cmd /c copy /y %windir%\repair\autoexec.nt %windir%\system32"

Troubleshooting MS-DOS-Based Programs in Windows
http://support.microsoft.com/default...b;EN-US;314106

16-bit MS-DOS Subsystem error while installing or running a DOS application:
http://windowsxp.mvps.org/16bit.htm

note:-
Also can be caused by a Trojan installing a file windupdater.exe and
creating registry entries for that file.
http://groups.google.com/groups?selm...g. google.com

MS-DOS or 16-bit Windows-based program Error Message
http://www.kellys-korner-xp.com/xp_m.htm#16bit

AVAST (free antivirus software) can be the cause if SP2 is installed:
http://groups.google.com/groups?selm...%40comcast.com

How to Troubleshoot 16-Bit Windows Programs in Windows XP
http://support.microsoft.com/?kbid=314495

Look for: XP_FIX.EXE
http://www.visualtour.com/downloads/default.asp



--
===========================
TaurArian [MS-MVP] 2005-2006
===========================


"ReallyNeedHelp" <ReallyNeedHelp@discussions.microsoft.com> wrote in message
news:2DAB7A2A-4BC1-48D2-B48E-2B808AE8007D@microsoft.com...
>I am trying to load a program from a CD, that I really need. The program can
> be loaded on two computers. I tried to load it on my laptop and it wouldnt
> work. It says 16 bit Windows Subsystem: C:\windows\system32\autoexec.nt. The
> system file is not suitable for running MS-DOS and microsoft windows
> applications.
> However, I later tried it on another computer and it loaded fine.
> I still get the same message on this computer.
> Does anyone have any idea what this means, or what I need to do?
> Please help.
> Thank you.