Questions tagged [ntvdm]

11 questions
5
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0 answers

Fixing a broken NTVDM

Problem: About a week ago, the NTVDM on an XP installation broke. Symptoms: The first symptom was that a 16-bit executable that is run during an auto-run batch file would hang and peg the CPU at 100% until ntvdm.exe is killed, at which point the…
Synetech
  • 69,547
5
votes
2 answers

Running 16-bit app on 64-bit is now possible? NTVDMx64

The program comes from Leecher1337, who created a NTVDM for x64 bit. http://www.columbia.edu/~em36/ntvdmx64.html https://github.com/leecher1337/ntvdmx64 I've tested on many Windows via VirtualBox, it worked half a time. (Worked on Windows 10 64…
3
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6 answers

16-bit DOS on Windows Vista+

I have a friend that uses some really old business software and for whatever reason doesn't want to check out a new version (if one even exists, he's in a niche market). The software ran as a 16-bit DOS program and he'd like to upgrade his computer…
mrduclaw
  • 318
3
votes
1 answer

NTVDM.exe command prompt switches

I have an old program designed for DOS running on my WinXP PC under NTVDM. Recently it began showing some strange behaviour and I decided to investigate the problem. However, none of the search results has documentation on NTVDM itself, apart from…
2
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0 answers

Console and NTVDM resolution upscaling in full-screen

When running either console Windows applications (such as Far Manager) or legacy DOS applications via NTVDM in the full-screen mode, I observe my Nvidia graphics driver upscaling the display resolution to that of my Windows desktop (1600x1200). For…
1
vote
0 answers

DB Paradox 3.5 and DOS on VMWare Player 4

My organization have to work with Paradox 3.5. We have 2 HD on a computer. One with Windows and one with DOS, where Paradox 3.5 is placed. So we bought a new printer, which does not work on LPT port. Maybe i'm stupid, but i cannot find a way to set…
1
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2 answers

Vague ntvdm message on XP: The Win 16 Subsystem has insufficent resources to continue running. [...]

What does the ntvdm error message "The Win 16 Subsystem has insufficent resources to continue running. Click on OK, close your applications, and restart your machine." mean, and how can it be prevented? (Interestingly, but presumably unrelated to…
SamB
  • 1,070
1
vote
3 answers

"Access is Denied" when executing application from Command Prompt

Today when I tried to run an old DOS utility from the Windows XP Command prompt, I got the error message "Access is Denied." Then I found that most of the DOS utilities would not run, even though I have "full control" over them. They worked just…
xpda
  • 999
0
votes
1 answer

NTVDM CPU error

When I try to run a Symantec fix here, I get the following error: 16 bit MS-DOS Subsystem The NTVDM CPU has encountered an illegal instruction. CS:393a IP:393a OP:ff ff ff ff ff Choose 'Close' to terminate the application. How can I debug this?
iceman
  • 2,510
0
votes
1 answer

Why Win16 application layout is behaving strangely under Win10 32bit?

I have an old C Win16 application that is behaving badly when run in Windows 10 32bit. Unfortunately, I do not have the source code for the application so I cannot debug issues from there. The application was working normally in Windows 7 but in…
Pate
  • 1
0
votes
3 answers

16-bit MS-DOS Subsystem: csrss.exe

I just booted up my Samsung N120 netbook (with Windows XP Home SP3) and a dialog box came up with a command prompt window behind it. The dialog box is titled 16 bit MS-DOS Subsystem and the message is as follows: C:\DOCUME~1\SAMSUNG\csrss.exe The…
Wesley
  • 1,278