EXCEL 2002. This is a follow-up to another post of mine that hasn't
appeared yet: "Whose error: Mine or Excel's?". That was about the
same problem described here, but some of the information given there
is probably irrelevant.

I'm not really sure what is relevant. The workbook in question has 7
visible worksheets and 3 hidden worksheets. There are about 70
embedded controls spread over 3 of the worksheets that also contain
one embedded chart each. The size of the .xls file is about 1 MB. So
it's not a huge project.

OK, here's the problem. I add a new CommandButton control to one of
the worksheets that already has a chart and 21 other controls. I
don't do anything else - no code added behind the button. I save the
workbook, close it, and open it again. Now, I get the dreaded box
that says "Microsoft Excel has encountered a problem and needs to
close. We are sorry for the inconvenience". And if I follow the
option to "Recover my work and restart Excel", it opens the file with
ALL the VBA code stripped out. This happens even if I disable macros
on startup.

I can add a CommandButton and even a couple of extra OptionButtons to
either of the other two worksheets containing charts and controls, and
the project survives. So there's something about the particular sheet
I'm trying to change. But I'm clueless what else to try, or what
information to provide here, unless someone knows enough about this
kind of problem to ask the right question.....???

Thanks,
Ken Dahlberg