Webplugin.exe is a "non-IE" web plugin (or sometimes an ActiveX control for older browsers) that provides the necessary decoder to view video feeds directly in a web browser. Without it, you may be able to log into your camera's settings but will only see a blank screen or a "Plugin not found" message where the video should be. It is primarily used by brands like: (often called WebPluginsUserSetup.exe ) Dahua Amcrest Foscam Uniview Where to Download Official Versions
If a legitimate program requires it, the plugin will be installed automatically through the software’s official installer. Downloading the .exe from third-party websites exposes you to high security risks. Webplugin.exe Download
: Prompts users to download a plugin directly from the NVR/camera login screen to enable live views. How to Install Safely Webplugin