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@@Rei Vilo Sorry, by mistake! But is there a solution to my problem? Jan

With Energia 1.6.10E18 installed on my MacBook Pro with MAC OS Sierra 10.12.1 and Sketch 'Blink' selected, the following compiler error occurs; No Java runtime present, requesting install. exit status 1 Error compiling board LaunchPad w/ msp432 EMT (48MHz) Installing JAVA SDK has no effect. Is it a possible driver error? Energia works fine under Windows 10. Why do I need the java sdk. Regards Jan

Problem solved! Windows Firewall was blocking. Thanks Chris

I have removed the resistors. But stil I am unable to upload the Sketches with the boosterpack MKII installed. I receive the follwing message: "caused by : java IO. IOExeption: createProcess error 193, %1 is not a valid Win32 application" I am using Energia version 18 and W10 . TM4C123 with Ed Boosterpack MKII. Is there a problem with Java. With no Ed Boosterpack connected some basic scetches do run. Hope there is a solution Jan