Microsoft KB Archive/217437

= Visual C++ debugger crashes on breakpoint and you receive a MSDev.exe application error =

Article ID: 217437

Article Last Modified on 9/2/2005

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APPLIES TO


 * Microsoft Visual C++ 4.2 Enterprise Edition
 * Microsoft Visual C++ 5.0 Enterprise Edition
 * Microsoft Visual C++ 6.0 Enterprise Edition
 * Microsoft Visual C++ 4.2 Professional Edition
 * Microsoft Visual C++ 5.0 Professional Edition
 * Microsoft Visual C++ 6.0 Professional Edition
 * Microsoft Visual C++ 6.0 Standard Edition

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This article was previously published under Q217437



SYMPTOMS
If you set a breakpoint, the debugger might crash with the following MSDev.exe application error when the application hits the breakpoint:

The instruction at "0x52522680" referenced memory at "0x02010019". The memory could not be "read".

The crash usually happens when the Auto or Watch debug windows are open.



RESOLUTION
To resolve this problem, close the Auto debug window before you hit the breakpoint. In some circumstances you might have to close the Watch debug window too.



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This bug was corrected in Visual Studio 6.0 Service Pack 3.

