On Tue, 10 Feb 2009 10:49:11 -0800, Jim Cone wrote:

Something that may provide clues is to check the Windows Task Manager...
Is there more than one instance of Excel running? (processes tab)
Do you have sufficient memory available? (performance tab)

Thanks for the reply, Jim. Have checked both of these - only one instance
running and gobs of memory available. Any other suggestions?