Please check the "Recommended system specifications" and the communication status of your environment.
If the problem still continues after checking the above, please contact us from the "Contact Us" page with the following information.
・The date and time you were unable to view the video
・The URL of the video that is unable to watch
・User environment (PC, win8.1, Chrome version: 67.0.3396.99, etc.)
・Symptoms (e.g., black screen, inability to view certain videos, etc.)
・If an error occurs, please provide a screenshot of the error screen