Cause: Your antivirus has modified the installer (common with Avast or Norton). Fix:
If you want, tell me the vendor and exact model string (or upload the download link) and I’ll check the vendor page and provide the exact official download link and checksum verification steps.
(Invoking related search suggestions now.)
Important Note: “Webplugin NVR 147” typically refers to an older ActiveX or NPAPI plugin used by certain Chinese-manufactured Network Video Recorders (NVRs) and IP cameras (e.g., Hikvision, Dahua, Uniview, or rebranded models). These plugins are often outdated, incompatible with modern browsers, and pose security risks. Proceed with extreme caution.
Before you click download, you need to understand what this software is.
WebPlugin NVR 147 is a browser extension and local service bridge. Unlike modern security cameras that use RTSP or ONVIF standards via mobile apps, older or budget NVRs rely on a NPAPI (Netscape Plugin Application Programming Interface) plugin.