Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
More details, please. Do you mean the box on the main screen isn't shown - in which case is Display Solar/Extra data ticked in the Display Settings? Or do you mean you are no longer getting any values in the boxes?