I have updated Arduino AVR Boards in IDE and before I updated, ESP8266 boards were working, now after I updated, it says "Error downloading "URL for esp"" and no matter which website I listed inside the preference:


None of them are being downloaded and I cannot program ESP8266. Can I get some help? Thank you.

  • what? what is "updating AVR"? what is "updating esp8266"? and when do you get the "Error downloading"? – Juraj Nov 7 '18 at 7:46
  • Ok, inside the Arduino IDE, when you go to tools > boards > boards manager, this is where I updated Arduino AVR boards like geniuno, nano, etc. And I have no idea when I said "update esp8266" so I wasn't sure if you were reading or not. Also the error shows up when I open boards manager. Like after the board manager loads, thats when I get an error, so it saying ESP8266 error downloading via the website url. – Alex Zhuravel Nov 7 '18 at 20:57
  • ok. now I understand the question. the missing information was "in IDE" or "package". try it without the github link in Additional boards URLs – Juraj Nov 8 '18 at 8:57

If you are using windows 10 try installing from git followimg the instruction here.


That was how I get it to work when I found updating it through the ide didn't work

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