The appearance of this message means the website you are visiting relies on a specific, proprietary software component (an ActiveX control) that is not present on your computer. Therefore, before you can view a live camera stream or change DVR settings, your browser must download and install IE_Plugins.exe .
She tapped “OK,” but the message came back. She tried restarting the kiosk. Same message. Frustrated, she found Mr. Chen, the museum’s tech volunteer.
If the plugin is installed but you still see a black screen, your browser's security settings might be blocking it. Downloading web plugins with Edge in IE Mode - ICRealtime
If a website offers a direct download link for "IE ActiveX ie-plugins.exe"— Running this file without knowing its origin is like letting a stranger install software on your computer.