Arduino: 1.8.2 (Windows 8.1), Board: "Arduino/Genuino Uno"
c:\program files (x86)\arduino\hardware\tools\avr\bin../lib/gcc/avr/4.9.2/../../../../avr/bin/ar.exe: unable to rename 'core\core.a'; reason: Permission denied
exit status 1
Error compiling for board Arduino/Genuino Uno.
This report would have more information with
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