Somethings did change in Office 2010 that could be causing the issue. You should consult MSDN or the Office development forums that Microsoft hosts.
>An excellent idea, but the program already uses the path from the PC point of view. The user having the problem is also running Office 2010 - I am wondering if there is a security setting in Office that is preventing the program from updating and saving the spreadsheet (?).
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer