RocketLauncher also needs to know which "front end" (HyperSpin) is sending it commands. How to Install HyperSpin and RocketLauncher
HyperSpin can be finicky about Windows permissions and long file paths. hyperspin cannot find launcher top
Do not reinstall. Do not delete your 200GB ROM folder. Here is how to fix the "Cannot Find Launcher" error in under five minutes. RocketLauncher also needs to know which "front end"