Ok guys, thank you very much. Dominus, now I understand, although not yet completely. A lot to chew for an old man, 🤣. But I'll study this and maybe come back to ask more. h-a-l-9000, thank you for reminding me of the SET command, haven't used DOS for years.

I'm afraid I did not understand what you mean. If I install DOS 6.22 then I will run DOS, not Wnodows, or not? I want do run Windows regularly and just run dBase in a DOS or pseudo-DOS window. I can do this actually with DOSBox, but I cannot adjust the window size and the character size and I cannot …

Thanks for your reply. There are only two very old copies of these two files in this folder, from 2003. The copies in the SYSTEM32 folder look fine. I attach the error message I get (my Windows is in italian). Basically it says that the NTVDM CPU has encountered a not managed exception. I have no …

Hard to say which thread this should be, the problems are more related to DOS although the issue is to run it in a Win XP environment. And the solution has to do with DOS emulation, which partially leads to DOSBox, but that doesn't really resolve it. Anyone here who has experience? I'd like to …

I'm not into games but I am using dBase programs that I wrote about 10 years ago and meanwhile have created a huge database, so I don't want to throw them away. Until very recently I used Windows XP's own DOS emulator NTVDM with an autoexec.nt and a config.nt file placed in SYSTEM32 and addressed …