If you're installing them in DosBOX, you might come across a few errors- I'm not too terribly sure. However, if you try mounting the drives you're using to install the game (for example, A: and C
you ought to be fine, unless some strange write to disk error pops up.
Have you already tried that? If so, I'm afraid that you need to run either a quick windows or dos shell at the startup from a CD or some such thing. I'd have to research it a bit to figure that all out.
Hope I helped!
Cheers,
Fae