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Microsoft KB Archive/102177

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Knowledge Base

Windows NT: Cannot Run Windows-Based Applications from PWB

Article ID: 102177

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1

This article was previously published under Q102177


When you try to run Windows-based applications from Programmer's WorkBench (PWB), you receive the following error message:

error WX1002 : VMB.386 driver not installed or Windows not running


PWB uses WX.EXE, which ships with Microsoft Compiler 7.0, to start Windows-based applications. To start Windows-based applications, WX.EXE depends on a 16-bit virtual device driver (VxD) called VMB.386. Windows NT does not support 16-bit device drivers.


To work around this problem, run the application from either File Manager or from a Windows NT MS-DOS command prompt.

Additional query words: prodnt

Keywords: kb3rdparty KB102177