FIX: Visual C++ Debugger Crashes on Breakpoint

ID: Q217437

The information in this article applies to:

Microsoft Visual C++, 32-bit Editions, versions 4.2, 5.0, 6.0

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 work around 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 this to be a bug in the Microsoft products listed at the beginning of this article.This bug was corrected in Visual Studio 6.0 Service Pack 3. For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

Q194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

Additional query words:

Keywords : kbservicepack kbDebug kbide kbVC420bug kbVC500bug kbVC600bug kbVS600sp2 kbVS600SP1 kbVS600sp3fix
Version : winnt:4.2,5.0,6.0
Platform : winnt
Issue type : kbbug