Error mssg can not install or run from 16bit sub system

[Norm]

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

this is the error message i get when I try to uninstall or add Office
components.
Running XP SP2

 

[garfield-n-odie]

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