If you experience the error code F7363-3343-2B0F4610 on the Firefox browser on your computer, it typically points to an outdated version of Firefox. Follow the troubleshooting steps below to resolve the issue. Update Firefox to the latest version Open Firefox if it's not yet open. Select the Firefox Menu icon. Select the Help icon. Select About Firefox. This will check for updates and download any that are available. Once updates are complete, select Restart Firefox to Update. Try Netflix again. If you encounter an issue updating Firefox please refer to Mozilla's 'Update Failed' support page or Update Firefox page for additional assistance.