It lacks years of security patches, including fixes for high-risk vulnerabilities found in more recent versions.
In the world of home servers, "if it ain't broke, don't fix it" is a common mantra. There are three main reasons users still look for this specific installer: plex media server version 09170 full
Modern Plex client apps (Smart TVs, mobile devices) may fail to connect to a server this old. It lacks years of security patches, including fixes