DOSBox is principally intended by games, and for serious applications you should probably consider a solution such as VMware (with Windows 98) or PCem. If your application is text-mode only, you should take a look at vDOS. In any case, this sounds like a Clipper application; there have been many …

Solved! SET CLIPPER=F250

Hi, I have an old app developed long time ago by a friend which is no more with us. Thing is that I'm trying to run it with DOSBox, but I get DOS Error 4 when trying to open it. To be more specific this is the error message: http://i.imgur.com/3rwcSXn.png I'm really new on this, so any help will be …