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"Config.nt The system file is not suitable for running MS-DOS and Microsoft Windows applications" error message when you try to run a program in Windows 2000
Article ID: 889506 - View products that this article applies to.
NoticeThis article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center
(http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fwin2000)is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy
When you try to run a program on a Microsoft Windows 2000-based computer, you may receive the following error message:
config.nt The system file is not suitable for running MS-DOS and Microsoft Windows applications. Choose 'Close' to terminate the application.
This issue may occur if all the following conditions are true:
After the MS04-032 Security Update for Microsoft Windows is installed, the NTVDM uses the TMP user variable instead of the TMP system variable. If 8.3 file name creation is disabled on your computer, the TMP user variable uses long file names.
To work around this issue, follow these steps:
When 8.3 file name creation is disabled, the NtfsDisable8dot3NameCreation registry entry has a value of 1. This registry entry is in the following registry subkey:
Because many 16-bit programs cannot use long file names, we recommend that you do not disable 8.3 file name creation on computers that run 16-bit programs.
For additional information about the MS04-032 Security Update for Microsoft Windows, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/840987/ )MS04-032: Security update for Microsoft Windows