The plugin is installed but looks like something went wrong because the message keeps asking to install the plug-in again and again: “close the browser when installing the plug-in”. The issue is that even if you install the plugin the message will still show up and bother you every time you need to access your Hikvision IP camera/NVR/DVR. This plugin needs to be installed in order to view your Hikvision CCTV system. Close the browser when installing the plugin”. When you are trying to have access to a Hikvision IP camera or DVR/NVR you’ll stumble upon the message: “Please click here to download and install the plug-in.