Microsoft KB Archive/171483

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Article ID: 171483

Article Last Modified on 12/10/2003


  • Microsoft Visual Basic 5.0 Control Creation Edition
  • Microsoft Visual Basic 5.0 Learning Edition
  • Microsoft Visual Basic 5.0 Professional Edition
  • Microsoft Visual Basic 5.0 Enterprise Edition

This article was previously published under Q171483


A crash will occur when recompiling an EXE containing a UserControl that has been modified and rebuilt with Project Compatibility and Remote Server compile options set.


Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed in Visual Studio 97 Service Pack 2.

For more information on the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base:

170365 : INFO: Visual Studio 97 Service Packs - What, Where, and Why

For a list of the Visual Basic 5.0 bugs that were fixed in the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base:

171554 : INFO: Visual Basic 5.0 Fixes in Visual Studio 97 Service Pack 2


Steps to Reproduce Behavior

  1. Create a new ActiveX Control Project (Project1) in Visual Basic 5.0. UserControl1 is created by default.
  2. Set the BackColor property for UserControl1 to blue or any color other than gray.
  3. Save Project1 and Make Project1.ocx.
  4. From the File menu, select Add Project.
  5. Double-click on Standard EXE. This project is named Project2 by default.
  6. Close down the UserControl Window.
  7. Click on the UserControl icon on the Toolbox and draw UserControl11 on Form1.
  8. Save Project2 and Make EXE using default compile settings.
  9. Copy Project1.OCX to Project1.CMP.
  10. From the Project menu, select Project1 Properties. On the Component tab of the Project Properties dialog, check Remote Server Files, choose Project Compatibility under Version Compatibility, and set the file to project1.cmp by using the browse button or entering the fully-qualified path.
  11. Add the following code to the General Declarations of the UserControl:

          Public Sub foo()
          End Sub
  12. Make Project1.OCX.
  13. Make Project2.EXE.

When you try to compile, you will get the following error message:

"Class not registered. Looking for object with CLSID:

The Class ID entry in the braces will not match the entry on your machine.

If you click the OK button, you will get:

"Error loading <filename>. A control could not be loaded due to load error. Continue?"

Click the Yes button.

Additional query words: kbDSupport

Keywords: kbbug kbfix kbvbp500sp2fix kbvs97sp2fix KB171483