http://prntscr.com/37stzb
http://prntscr.com/37su30

So i download this java-based program called jMc2Obj-dev_r303
Heres the website if you still dont know http://www.jmc2obj.net/

After i download it I right click and open it with Java but when it opens those 2 photos
up their keep displaying (the links please check them)

Although it still runs when i chose a MC world this happens
A blank screen:prntscr.com/37sv3n
the world doesnt appear
any solution?