If you experience the error code C7111-1957-205040 on your computer, it typically points to information stored on your browser that needs to be refreshed. Follow the troubleshooting steps below to resolve the issue. Sign Out, then Sign In Sign out of your Netflix account on a computer by navigating to Netflix.com/SignOut. Sign back in using your login credentials. Try to play your TV show or movie again. Use an alternate browser We recommend updating to a browser that supports HTML5 to ensure your computer is optimized for our web player. Please download the latest version of Google Chrome, Mozilla Firefox or Opera and try Netflix again. Our web player works best on: Google Chrome on Windows XP Service Pack 2 or later. Mozilla Firefox on Windows Vista or later. Opera on Windows Vista Service Pack 2 or later.