: When accessing a DVR's IP address or cloud URL, the browser may prompt you to download this file. For it to work correctly in IE, you often need to adjust "ActiveX Filtering" or add the site to "Trusted Sites." tehno32.ru Quality and Security Warnings "Extra Quality" Context

If you want, I can:

Because it relies on ActiveX, it generally only works in Internet Explorer. Since modern browsers (Chrome, Edge) have deprecated ActiveX for security reasons, many sites offering "updated" or "extra quality" versions are actually distributing malware disguised as a fix.