Excel for Mac 2008 Error Checking

[Oldsilver]

Version: 2008
Operating System: Mac OS X 10.5 (Leopard)
Processor: Intel

I cannot turn of the Error Checking option or any of the sub-options within Error Checking. Whenever I attempt it and click OK, Excel shuts down and apologizes for the inconvenience!!
Mostly Error Checking is good, but I often have a formula which includes a cell reference which might be temporarily empty, hence I get the error message relating to an empty cell in a formula. I want to be alerted to other potential errors but not this one.
How can I de-activate it without having Excel 'unexpectedly shutting down"?

 

[Pat McMillan]

Could you please click "More Information" in the Microsoft Error Reporting
window that appears when Excel shuts down, and copy/paste the entire crash
log and send it to me ([email protected])? That will allow us to
investigate the crash and hopefully understand why Excel is crashing for you
in this scenario.

Also, does this happen only with certain files, or even if you just launch
Excel, then go to the Error Checking preferences and make changes?

Thanks,

Pat