I am still stuck on the libraries

I have this problem with the arduino libraries and it is driving me crazy because I don’t know what else I have to do. Some help.

I will appreciated so much.

It looks like you have selected a wrong Board from tools menu.
If it’s not the case, I recommend trying to reinstall the Arduino IDE.

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I tried to reinstall Arduino IDE 1.6.5, and changed the board from Generic ESP8266 Module to an Arduino/Genuino Uno and that fixed the problem.

Very thankful.