even both exe show the same, in current attachment the right.
your goolge links are broken.
you can show images in text if u open the image attachment link and copy/paste the url for Image Request box.
seems blender change the dae file and agk can't load it.
3d data exchange is still a problem. the interfaces have no verification before they go live.
in other word your input is a cube and the output is a sphere.
but (open)collada and auto desk fbx are the best formats.
AGK (Steam) V2.0.15b : Windows 10 Pro 64 Bit : AMD (15.201.1151.0) Radeon R7 265 : Mac mini OS X 10.10 (Yosemite)