Microsoft KB Archive/111503

= PRB: Error: CVW1.386 Is Not Loaded In SYSTEM.INI =

Article ID: 111503

Article Last Modified on 9/30/2003

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APPLIES TO


 * Microsoft CodeView 4.0
 * Microsoft CodeView 4.01
 * Microsoft CodeView 4.1

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This article was previously published under Q111503



SYMPTOMS
If you attempt to start Codeview for Windows (CVW) under Windows NT, you will receive the following message:

CVW1.386 is not loaded in SYSTEM.INI.

Please reinstall CVW.

This occurs even though CVW1.386 is included in the SYSTEM.INI file.



CAUSE
The problem is that Windows virtual device drivers (such as CVW1.386) cannot be loaded by Windows NT. Therefore, CodeView for Windows cannot be run under Windows NT.

Also, Windows NT does not use the SYSTEM.INI file to load device drivers. Configuration information, including which drivers to load, is stored in the registry - a collection of binary files in the \SYSTEM32\CONFIG directory.



RESOLUTION
To debug 16-bit Windows applications under Windows NT, use the Visual C++ 1.5 integrated (VWB) debugger. For debugging in the Windows or Windows for Workgroups (WFW) environment, you can use either the VWB debugger or CVW version 4.1.



MORE INFORMATION
The version of CodeView for Windows that comes with Visual C++ 1.5 (version 4.1) cannot be used to debug Win32s applications running on Windows or WFW 3.1. A special version of CVW (version 4.25) is included with the Visual C++ 32-bit edition 1.0 for this purpose. Note that this is not a Windows NT version of CVW and also cannot be run under Windows NT; it is used for debugging Win32s applications on Windows or WFW. Later versions of Visual C++ 32-bit edition do not include this CVW32s. However, you can debug 32-bit applications on Win32s remotely, via WinDbgRm (included with the Win32 SDK).

Additional query words: 4.00 4.10

Keywords: kbbug kbdebug kbprb KB111503

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