“Picked up _JAVA_OPTIONS” when no such environment variable exists

Question

This issue pertains specifically to Minecraft, but it is affecting all Java programs that run on my computer.

It would seem that something is forcibly setting a _JAV

Answer 1

You probably have a Razer device. Their god-forsaken software secretly adds _JAVA_OPTIONS, but only when launching games, so you won't even see it from CMD. Ideally uninstall the software, and maybe splash some holy water on your PC. Failing that, you can probably get by with shutting down Synapse and restarting minecraft.exe

Found (eventually) here: http://www.minecraftforum.net/forums/support/unmodified-minecraft-client/2183431-_java_options-picked-up-without-existing#reply