Follow these Instructions to Login Successfully:

Step 1: Click on "Get Login URL"

Step 2: Login Using Your Google Account & Give Permission to access Drive in order to Store Files in your Drive.

Step 3: After Login, Copy the Full URL from "AddressBar" that will look like this -> http://localhost/login?code=4/0AfgeXvtgh1DJwksE2GTGITbvEo75uXB

Step 4: Paste that Copied URL in "Enter Login URL" input box then Click on "Submit Login URL" button .. THAT'S IT