It is very common to see an error message on your computer screen while installing a 16 bit version of Windows: "The autoexec.nt system file is not the correct option to run MS DOS & Windows applications". Like most problems, there is a solution for this. The safest way to troubleshoot the problem is to copy the 'autoexec.nt' file from the repair location and paste it to 'System32' address location, thereby making it a read-only one from the property of the file. The second solution is to extract the file 'autoexec.nt' from the Windows Installation CD, using the 'Expand' command to do the necessary things. Lastly, create a batch file using notepad with the file name 'autoexec.nt', copying it system32.