The error you're seeing is related to the Silverlight plugin, which Netflix uses to play movies and TV shows on your computer. This error is usually caused by one of three things: A computer setting preventing Silverlight from storing files it needs to play your movie or TV show An issue with the Silverlight plugin itself An issue with the content you're trying to play To fix this error, follow the steps below for your Windows or Mac computer. Steps for Windows Troubleshoot your browser Clear browser cookies Your browser may be referencing an outdated or corrupted setting in the cookie file. Go to netflix.com/clearcookies to clear the Netflix cookie. This will sign you out of Netflix.com. Select Netflix Home, then Member Sign In to log back in and play your movie or TV show again. Restart your browser Sometimes restarting your browser can clear this issue. Quit your browser, restart it, and play your movie or TV show again. Try another 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. Reboot your computer Shut your computer down completely and restart it. Play your movie or TV show again. Steps for Mac Troubleshoot your browser Clear browser cookies Your browser may be referencing an outdated or corrupted setting in the cookie file. Go to netflix.com/clearcookies to clear the Netflix cookie. This will sign you out of Netflix.com. Select Netflix Home, then Member Sign In to log back in and play your movie or TV show again. Restart your browser Sometimes restarting your browser can clear this issue. Quit your browser, restart it, and play your movie or TV show again. Try another 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. Reboot your computer Shut your computer down completely and restart it. Play your movie or TV show again.