I tried that it didn't work, I also uninstalled Java then reinstalled...its still the same.When I tried to open discover.jnlp with these instructions, the computer said it couldn't open this type of file. It wasn't in my Program Files\, it was under Program Files  (x86)Prompt for a program to open t...

I've read many discussions here and none of them work for me. I click launch then download the discover.jnlp file, I then click it and it seems as though Java launches, on my desktop a small process says "Java..." It looks like its working but then it disappears and nothing happens.This is my first ...