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Missing COMMAND.COM Causes Hidden Console Error

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Article ID:142271
Last Review:October 31, 2006
Revision:2.1
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 (http://support.microsoft.com/kb/103656/EN-US/) Troubleshooting 16-Bit Windows Applications Under Windows
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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