You receive an “MSDEV.EXE - Application Error:" error message when you edit source code while the parameter information is visible

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Article ID: 216869 - View products that this article applies to.
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When editing source code while the Parameter Info is visible, the following error may occur:
MSDEV.EXE - Application Error : The instruction at [address] referenced memory at [address]. The memory could not be "read".
This message is immediately followed by another error message:
MSDEV.EXE - Application Error: The instruction at "0x5030ae5f" referenced memory at "0x0000000c". The memory could not be "read".


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. For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed


Steps to Reproduce Behavior

  1. Open a source file and type the following line of code:
  2. If the IntelliSense options are enabled, a pop-up window with Parameter Info for this function will appear. If a pop-up window does not appear, press CTRL+SHIFT+SPACE to invoke Parameter Info after the parenthesis.
  3. Press SHIFT+HOME.
  4. Press SHIFT+DELETE.
  5. Press the down arrow.


Article ID: 216869 - Last Review: February 21, 2014 - Revision: 3.0
  • Microsoft Visual C++ 6.0 Enterprise Edition
  • Microsoft Visual C++ 6.0 Professional Edition
  • Microsoft Visual C++, 32-bit Learning Edition 6.0
kbnosurvey kbarchive kbbug kbfix kbide kbvc600fix kbvs600sp3fix KB216869

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