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Repairing NTVDM (Emulation)

posted by glennmcc(R) Homepage E-mail, North Jackson, Ohio (USA), 08.08.2013, 02:12
(edited by glennmcc on 08.08.2013, 02:22)

> Recently I realized that in Windows XP any DOS program that tries to use
> graphics (320x200) or sound (Sound Blaster) freezes (and both are tested
> independently.) Those programs used to work (e.g. Quick View, VGA Paint,
> etc) I wonder if anyone know if perhaps any recent updates might have
> caused this or this is a symptom of damaged NTVDM?

Most DOS audio & video programs require direct access to the hardware.

If you have only tried running them in the XP NTVDM while logged-in
as a 'normal' user... try running them as administrator.

If that still does not work.... you might need to boot to an actual DOS
from a diskette or perhaps setup a dual boot system with DOS installed on
a FAT partition of the same or additional HDD

edit:

You might also try both cmd.exe & command.com (as administrator)

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