I just installed Arduino IDE 1.8.19 on a laptop running Windows 11. When I compile Blink for an Arduino Uno, I get the full error shown at the bottom.
When I installed Arduino IDE 2.3.2 or 2.3.6, it does not open. I get a pulsing icon.
None of the above has ever happened to me in the last few years. Do you know what is the problem?
Arduino: 1.8.19 (Windows 10), Board: "Arduino Uno"
C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\mlowe\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\mlowe\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\mlowe\Documents\Arduino\libraries -fqbn=arduino:avr:uno -ide-version=10819 -build-path C:\Users\mlowe\AppData\Local\Temp\arduino_build_172132 -warnings=none -build-cache C:\Users\mlowe\AppData\Local\Temp\arduino_cache_3371 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.avr-gcc.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -prefs=runtime.tools.avrdude.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -verbose C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino
C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\mlowe\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\mlowe\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\mlowe\Documents\Arduino\libraries -fqbn=arduino:avr:uno -ide-version=10819 -build-path C:\Users\mlowe\AppData\Local\Temp\arduino_build_172132 -warnings=none -build-cache C:\Users\mlowe\AppData\Local\Temp\arduino_cache_3371 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.avr-gcc.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -prefs=runtime.tools.avrdude.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -verbose C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino
Using board 'uno' from platform in folder: C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6
Using core 'arduino' from platform in folder: C:\Users\mlowe\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6
Detecting libraries used...
recipe.preproc.macros pattern is missing
Error compiling for board Arduino Uno.