I am a new user trying to get started with marketXLS. I have been having many problems, but I thought I would start with this one, since I suspect that until it is resolved, I will get very inconsistent results. The problem that I am having is that as I have tried using functions like Last and Change in my sheet I often get N/A for values or no values. As I have tried to investigate, I have found when this happens, if I go to License Information it says "No License". So, as a diagnostic approach, when I open the workbook, I immediately go to look at the License Information before doing anything else. I am finding that it often says "No License". So I close the workbook, open it again, and look again. Sometimes it says "No License" again, sometimes it seems to have the license and all the info looks valid. So then I try to work with my sheet. Do you know why this is happening? And what I can do to resolve it ... or to get you more information?