If I try to start a saved group by clicking the icon, this is what I get:
[Group]
GroupCount=5
GroupLeft=0
GroupTop=75
GroupRight=1652
GroupBottom=1003
Meaning, it renders all that text in a browser or a text editor?
If so, it means you have associated .groupy files with something other than Groupy... You can change that like so:

Sean Drohan
Stardock Support Manager