upgrade to the latest Drobo dashboard (1.8.3, 2.0.4 or 2.whatever).
Droboshare is not supported anymore.
As such... You have to use an older version of Drobo Dashboard version V 1.6.8.
Here are the direct links to DataRobotics support dir with the files:
Their support site says 1.8.4 (or exe) (or 1.73) also work but not for me.
(Beware, the file-naming has no convention)
I am becoming less and less impressed by this product.
Files are also attached to this page if needed.