true gui launcher.exe Z80 Tools http://www.oracle.com/technetwork/java/javase/downloads/index.html launcher.ico com.maccasoft.tools.Application %EXEDIR%/lib/*.jar java 1.8.0 32 -DAPP_DIR="%EXEDIR%" Z80 Tools Marco Maccaferri Z80 Tools Marco Maccaferri Z80 Tools launcher.exe An error occurred while starting the application. This application was configured to use a bundled Java Runtime Environment but the runtime is missing or corrupted. This application requires at least Java Development Kit The registry refers to a nonexistent Java Development Kit installation or the runtime is corrupted. An application instance is already running.