I can't use ESP8266, error / I can't flash it.

When i'm trying to connect the ESP8266 to my network, i can t.
Everytime when i'm trying to upload a code to my ESP8266, i m getting an error.
Does someone knows how can i fix this?

When you look at your posted image, can you read it?

Which ESP8266 are you using?

When you plug the ESP8266 into your USB port what port shows up in the Arduino IDE?