Can't Compile Anything on Arduino 1.6.9 using windows 10

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hello! i'm new in using arduino sofware downloaded last month , working fine not until yesterday, when compile or verify sketches got error message of

c:\program files (x86)\arduino\hardware\tools\avr/bin/avr-ar: unable rename 'core\core.a'; reason: permission denied

i tried uninstall , reinstall got error message again. tried download version of arduino got error on again.

i encountered problem when iupdated libraries , avr board of arduino 1.6.9 yesterday.
i don't know do! can me?

ps: searched solution tried turnoff anti-virus, restart computer , solution seen in internet nothing happens. badly need software because of our design project in school.

quote from: alexes on aug 04, 2016, 02:49 pm
i encountered problem when iupdated libraries , avr board of arduino 1.6.9 yesterday.
updating libraries wouldn't cause problem there's possibility arduino avr boards update. try this:
  • tools > board > boards manager
  • wait downloads complete
  • click on arduino avr boards
  • select 1.6.11 drop down menu
  • click "install"
  • after installation completes click "close" button.

try compiling again, problem solved. can repeat steps go arduino avr boards 1.6.12 have installed right now.


Arduino Forum > Using Arduino > Installation & Troubleshooting > Can't Compile Anything on Arduino 1.6.9 using windows 10


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