How to Fix Ntvdm.Exe Errors

Written by jesse lanclos
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The Windows NT Virtual DOS Machine, or ntvdm.exe, is a common source of frustration for Windows users. This program allows Windows to run older 16-bit applications in 32-bit operating systems like Windows XP. You may experience errors when working with 16-bit applications. The application may suddenly lock up, causing your entire system to freeze and require a reboot. Prevent these errors by configuring your computer so that ntvdm.exe does not start automatically every time you boot your machine.

Skill level:


  1. 1

    Hold down the "Ctrl" key and at the same time, press "R." The Windows Run dialogue box opens.

  2. 2

    Type "msconfig" in the box next to "Open." Click "OK."

  3. 3

    Click "Startup."

  4. 4

    Uncheck the box next to "ntvdm.exe."

  5. 5

    Restart your computer for this change to take effect.

  6. 6

    If the problem persists, scan your computer with an antivirus program. Viruses often mask themselves as ntvdm.exe because it is a program created by Microsoft and has top security clearance in Windows.

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