This usually means the browser is blocking the plugin. Check your "Extensions" or "Add-ons" menu to ensure it is enabled.
If you use a Network Video Recorder (NVR) for your security system, you’ve likely encountered the "Please install the web plugin" prompt when trying to view your cameras via a browser. For many older or specific IP camera systems, the is the essential bridge between your hardware and your computer screen.
WebPlugin NVR 147 Download: A Guide to Remote Monitoring Setup
