Error compiling for board Arduino Uno.


Arduino: 1.8.12 (Windows 10), Board: "Arduino Uno"

D:\Arduino\arduino-builder -dump-prefs -logger=machine -hardware D:\Arduino\hardware -tools D:\Arduino\tools-builder -tools D:\Arduino\hardware\tools\avr -built-in-libraries D:\Arduino\libraries -libraries C:\Users\acros\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10812 -build-path C:\Users\acros\AppData\Local\Temp\arduino_build_684070 -warnings=none -build-cache C:\Users\acros\AppData\Local\Temp\arduino_cache_454448 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino5.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=D:\Arduino\hardware\tools\avr -verbose C:\Users\acros\AppData\Local\Temp\untitled1558919894.tmp\sketch_jun04a\sketch_jun04a.ino
D:\Arduino\arduino-builder -compile -logger=machine -hardware D:\Arduino\hardware -tools D:\Arduino\tools-builder -tools D:\Arduino\hardware\tools\avr -built-in-libraries D:\Arduino\libraries -libraries C:\Users\acros\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10812 -build-path C:\Users\acros\AppData\Local\Temp\arduino_build_684070 -warnings=none -build-cache C:\Users\acros\AppData\Local\Temp\arduino_cache_454448 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino5.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=D:\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=D:\Arduino\hardware\tools\avr -verbose C:\Users\acros\AppData\Local\Temp\untitled1558919894.tmp\sketch_jun04a\sketch_jun04a.ino
Using board 'uno' from platform in folder: D:\Arduino\hardware\arduino\avr
Using core 'arduino' from platform in folder: D:\Arduino\hardware\arduino\avr
Detecting libraries used...
Error compiling for board Arduino Uno.

This is a problem with the core board definitions. You just uninstall Arduino IDE, uninstall all drivers and then reinstall Arduino IDE and the drivers. This will fix the problem.

Additional clean up instructions attached if needed.

CLEAN UP BEFORE INSTALLING ANOTHER COPY OF THE IDE OR ARDUINO CREATE.pdf (347 KB)