Excel Excel 2003 Shared Workbook Locks Hangs or Crashes in Excel 2010 and Excel 2007

I have a shared workbook that is used by multiple users from Excel 2003 and Excel 2010.
I can open/close the file in Excel 2003, but it continually locks up, freezes, hangs and crashes when opened in Excel 2010.
Is there a way to fix this Excel bug or work around this Excel problem?
This only happens in Excel 2010.  The file runs smoothly in Excel 2000 and 2003.
There are many potential causes for this strange behavior. Resolving this shared workbook problem requires a closer examination of the individual system set up on a case by case basis, because every situation is different. In our experience the solution in one scenario is not necessarily applicable in another.  You can if you like call us on our USA telephone number above and speak to one of our Excel Experts.
It would be helpful but not essential if you can provide some of the following details to begin with:

Not applicable

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