Microsoft KB Archive/142271

= Missing COMMAND.COM Causes Hidden Console Error =

Article ID: 142271

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Datacenter Server
 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q142271





SYMPTOMS
If you remove or rename %SystemRoot%\System32\Command.com, the following error message appears when you start a 16-bit Windows or MS-DOS program:

16 bit MS-DOS Subsystem: config.nt. The system file is not suitable for running MS-DOS and Microsoft Windows Applications.



RESOLUTION
To correct this problem, use one of the following methods:
 * Run the Windows Emergency Repair process and verify system files. Restart Windows and run the program again.

-or-
 * Expand Command.co_ from the Windows CD-ROM to %SystemRoot%\SYSTEM32\Command.com.

-or-
 * Expand Autoexec.nt_ and Config.nt_ from the Windows CD-ROM disc to %SystemRoot%\SYSTEM32\Autoexec.nt and Config.nt, respectively.

For additional information about trouble-shooting steps for running 16-bit Windows programs, click the article number below to view the article in the Microsoft Knowledge Base:

103656 Troubleshooting 16-Bit Windows Applications Under Windows

Additional query words: prodnt 4.0

Keywords: KB142271

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