"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"
There has been a few issues with an error regarding AUTOEXEC.NT. There is a few simple fixes for this error.
1) Navigate to the REPAIR folder in C:\WINNT or C:\WINDOWS. Copy the AUTOEXEC.NT file to C:\WINDOWS\SYSTEM32 folder.
2) With the Windows XP CD in the drive, go to Command Prompt and type:
expand (cdrom drive)\i386\autoexec.nt_ c:\windows\system32\autoexec.nt
(cdrom drive) is the letter drive you have your CD-ROM assigned to. Usually its D:. If it asks you to replace it, click yes.
Microsoft's Support Website has this issue listed and has a similar approach to fix the issue.
Other files that may be affected are CONFIG.NT and COMMAND.COM. The procedure is the same for the two files.
Anything else, contact Microsoft.
Regards,
~ Tidus4Yuna