I have Java 6-based Java Web Start application that I need to open on a Windows machine. The machine has JRE 7 installed, with JRE 6 copied manually to the Program Fil
I realize this is the oldest post ever, but it came up when I searched for a similar problem. Easiest way to deal with this (as a one time solution that won't affect the system overall) is to install a parallel older version of Java, and drag the jnlp on to the javaws.exe. (I had a web app that used Java 5 and wouldn't open otherwise)