HaloMods "Classic" Read-only Archive

Hi, Uh everytime i try to install the trainer making kit it gives my and eror the states " This system file is not suitable for running MS-DOS and Microsoft Windows Application". If anyone can help me out it would be apprecaited.

here i had the same problem so i wrote a tutorial a while back
http://www.halomods.com/forums/viewtopic.php?t=26218