>>>I can reproduce the error in my complex code every time, but I will try to produce a simpler version for reporting to MS. I think, as you said, it will not be easy to reproduce in a simple program.
>>
>>If you can send me a file or two, that would be great.
>>
>>Thanks...
>>
>>Randy [msft]
>
>Hi Randy,
>
>Here's a demo that highlights my problem in VFP 6 only. It runs fine in VFP5.
>The code models my OO menu system, which is why it's a little convoluted.
>
>The problem seems to occur when the EXECUTE method is invoked. This calls the KillItems subroutine which has two lines of code, one problem is that VFP returns to the EXECUTE method after the first line of KillItems has executed.
>
>Anyway, here's the code. I look forward to your comments.
>
>*------------- Start BugDemo.Prg
>*-- This mimics the creation of a hierarchy of menu objects
>CLEAR
>_SCREEN.AddObject("Menu", "MainDemo")
>_SCREEN.Menu.AddObject("File", "SubDemo")
>_SCREEN.Menu.AddObject("Edit", "SubDemo")
>_SCREEN.Menu.AddObject("View", "SubDemo")
>_SCREEN.Menu.AddObject("Tools", "SubDemo")
>_SCREEN.Menu.AddObject("Help", "SubDemo")
>
>_SCREEN.Menu.File.AddObject("Exit", "SubDemo")
>
>_SCREEN.Menu.Edit.AddObject("Copy", "SubDemo")
>
>_SCREEN.Menu.View.AddObject("Data", "SubDemo")
>
>_SCREEN.Menu.Tools.AddObject("Test1", "SubDemo")
>_SCREEN.Menu.Tools.AddObject("Test2", "SubDemo")
>_SCREEN.Menu.Tools.AddObject("Add", "SubDemo")
>_SCREEN.Menu.Tools.AddObject("Test3", "SubDemo")
>
>_SCREEN.Menu.Help.AddObject("About", "SubDemo")
>
>_SCREEN.Menu.Tools.Add.AddObject("Report", "SubDemo")
>_SCREEN.Menu.Tools.Add.AddObject("Remove", "SubDemo")
>
>_SCREEN.Menu.Tools.Add.Report.AddObject("Print", "SubDemo")
>_SCREEN.Menu.Tools.Add.Report.AddObject("Preview", "SubDemo")
>
>*-- Demonstrate the problem.
>WAIT WINDOW "Press any key to crash me (VFP 6 only)"
>_SCREEN.Menu.Tools.Add.Remove.Execute()
>
>*-- If you just DO KillItems here, without using the EXECUTE method
>*-- then all is OK
>*-- DO KillItems
>
>*-- If all is well, we'll get to this point
>_SCREEN.RemoveObject("Menu")
>? "Done It"
>
>
>
>*-- Remove a couple of the menu items
>PROCEDURE KillItems
>_SCREEN.Menu.Tools.Add.RemoveObject("Report")
>_SCREEN.Menu.Tools.Add.RemoveObject("Remove")
>
>
>
>*-- Define Two classes.
>DEFINE CLASS MainDemo AS CUSTOM
>Children = 0
>ENDDEF
>
>DEFINE CLASS SubDemo AS CUSTOM
>PROTECTED pCommand
>Children = 0
>*-- For the demo, all objects have the same command
>pCommand = "DO KillItems"
>
>PROCEDURE Execute
>LOCAL lcCommand
>lcCommand = THIS.pCommand
>*-- Start debugging here!
>&lcCommand
>ENDPROC
>
>PROCEDURE Init
>THIS.Parent.Children = THIS.Parent.Children + 1
>? "INIT " + THIS.Name
>ENDPROC
>
>PROCEDURE Destroy
>THIS.Parent.Children = THIS.Parent.Children - 1
>? "KILL " + THIS.Name
>ENDPROC
>
>ENDDEF
>
>*--------- End BugDemo.Prg

Thanks for your code. Unfortunately, I could not repro the crash. In fact, when I click at the WAIT WINDOW line, I get an error:

PARENT is not an object

on line:

THIS.Parent.Children = THIS.Parent.Children - 1

What happens if you SET RESO OFF? Can anyone else repro this crash?