Your version of HistoricalPrices Add-in (version 1.2) is a beta version. It fixes a problem in version 1.1 where "Refresh Workbook" and "Refresh All" can fail under certain conditions. All beta users will be notified when the final version becomes available.
Please report problems with this version to firstname.lastname@example.org. Thank you.
If a new version becomes available a link will be provided here.