Try the notes at Debra Dalgleish's site:
http://contextures.com/xlfaqMac.html#NoMacros

sgreene wrote:

I followed all the "rules" to deleting a macro. Every time I open up the
worksheet, I still get the macro update message. No matter what I respond, I
always get the message back. Can anyone help me get rid of this? Thanks.

--

Dave Peterson