Take a look of this error in arduino IDE

Arduino: 1.8.0 (Windows 10), Board: “NodeMCU 1.0 (ESP-12E Module), 80 MHz, 115200, 4M (3M SPIFFS)”

Downloading ‘https://raw.githubusercontent.com/blynkkk/blynk-library/master/library.properties
… done.
Latest version: 0.4.5
Downloading ‘https://github.com/blynkkk/blynk-library/releases/download/v0.4.5/Blynk_Release_v0.4.5.zip
…Blynk update failed
java.io.FileNotFoundException: https://github.com/blynkkk/blynk-library/releases/download/v0.4.5/Blynk_Release_v0.4.5.zip

This report would have more information with
“Show verbose output during compilation”
option enabled in File -> Preferences.