help!!! what is 16 bit windows subsystem?

hi everytime i try to install a game like monopoly i keep getting this error :

16 bit Windows Subsystem
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.

When i click close nothing happens and the game i'm trying to install does not install. what does this mean can someone tell me i'll appreciate it.
btw my computer is a HP laptop - HP pavilion ze5375us notebook PC
OS- Windows XP. if u need anymore information just let me know.
Thanking u in advance,
Alicia .

 

The link below should help you.

http://support.microsoft.com/default.aspx?scid=kb;en-us;324767

Let us know.

Steve

 

Had a similar problem a while ago! Simply copy the three files mentioned in the support article and the problem should be solved!! (As far as I discovered)