"Connection with running instance of Ecotect was not successful"

Hi, 

I'm new to GECO and downloaded the latest version of GECO. I have Ecotect installed on my computer and got this error when I tried to do simple analysis such as sun path (see image):  

"1. Connection with running instance of Ecotect was not successful…"

I have "unblocked" the GecoLink file and tried reinstalling GECO. But this same issue comes up still.

I have seen another person posting about the same problem too. I wonder if this can be fixed or is the version of Ecotect the problem?

Thanks!!

Matthew