i keep getting that autoexec nt not suitable for dos or windows apps please help

in dosbox i cant chande to some cd's

p3 550fsb 256 ram running xp professional

I've already posted this twice today so have a look at this. I make no promises but your problem is that you have no autoexec.nt so you need to find and replace it. It hasn't worked for everyone but it did for me.

Copy autoexec.nt form c:\windows\repair to c:\windows\system32, I wish it works.