Right-click the launch.JNLP file and click “Open With" and select “Browse,” browse to the “C:\Program Files (x86)\Java\jre[version]\bin” folder on your computer and select the “Javaws.exe” program file. Browse to the “Program Files” directory if you don’t see the “Program Files (x86)” directory. Reference: http://smallbusiness.chron.com/open-jnlp-file-29082.html