I almost got the writeInstinct file to run so changed a few things and now I just can't get passed this, is it a problem with my editing of the boards.txt file ? Arduino: 1.8.9 (Windows 10), Board: "Arduino Pro or Pro Mini, ATmega328P (5V, 20 MHz) NyBoard" C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Steve&Iris\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Steve&Iris\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Steve&Iris\Documents\Arduino\libraries -fqbn=arduino:avr:pro:cpu=20MHzatmega328 -vid-pid=0403_6001 -ide-version=10809 -build-path C:\Users\STEVE&~1\AppData\Local\Temp\arduino_build_97170 -warnings=none -build-cache C:\Users\STEVE&~1\AppData\Local\Temp\arduino_cache_422980 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-5.4.0-atmel3.6.1-arduino2.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino14.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.2.1.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Steve&Iris\Documents\Arduino\ModuleTests\testBuzzer\testBuzzer.ino Error reading file (C:\Program Files (x86)\Arduino\hardware\arduino\avr\boards.txt:0): Invalid line format, should be 'key=value' Error compiling for board Arduino Pro or Pro Mini. Thanks for any help -