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
Another plausible solution that worked for me was to rename the javaws.exe(javaws2) program file of the most recent JRE/JDK since JVM always search for the newest version installed. If you need to rollback changes, just rename again to the original value