How To Fix Arduino IDE Additional Library Installation Error

Error-Installing-Additional-library

In this article showing how to fix Arduino IDE additional library installation error. This is very common issue you might face when you try to install additional library in Arduino IDE.

The Error is “Error Downloading http://download.arduino.cc/libraries/library_index.json

Steps to fix the issue :-

  1. Close The Arduino IDE
  2. Open Command Prompt
  3. Type “setx _JAVA_OPTIONS -Djava.net.preferIPv4Stack=true” command on command prompt
  4. Press Enter

That’s It ! Thanks

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