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 Check your account status on Netflix.com Go to the Your Account page. Follow the instructions in the alert at the top of the page to get back to watching Netflix. Steps for Mac Check your account status on Netflix.com Go to the Your Account page. Follow the instructions in the alert at the top of the page to get back to watching Netflix.