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:
To fix this error, follow the steps below for your Windows or Mac computer.
The Netflix.com player runs on the Microsoft Silverlight platform. Microsoft provides a free Fix It tool that you can download and run to resolve many Silverlight issues on computers running Windows 7 or later. Netflix recommends using the Microsoft Fix It Tool to resolve this error.
If the Fix it Tool didn't clear the error, or if you're running Windows XP or Vista, try the troubleshooting steps below.
The Microsoft Silverlight player on which Netflix.com runs requires that your Windows user account have administrative rights.
To confirm your account has admin rights, try the following troubleshooting steps:
You may be running an outdated version of the Silverlight plug-in, or the plug-in may have become corrupted.
To uninstall the Silverlight plug-in:
To install the latest version of the Silverlight plug-in:
Some members may encounter the message "Silverlight.dmg cannot be opened because it is from an unidentified developer" when attempting to install Silverlight. This is fairly common for applications that are not downloaded from the Mac App store. If you encounter this message, continue with the following steps to complete your Silverlight installation.
The Netflix.com player uses the Microsoft Silverlight plugin, which requires that your OSX profile has administrative rights.
To confirm your account rights:
If your profile says Admin beneath it, or you want to allow another user profile access to Netflix.com, you may need to adjust the OSX parental controls.
To adjust Parental Controls: