You have configured a Symantec Endpoint Protection (SEP) client to use the same proxy settings as configured in Internet Settings. However, when a proxy is removed from Internet Settings the SEP client is still trying to connect to it.
Rebooting the machine fixes the issue.
Log.lue shows that the LiveUpdate session fails with:
Server selection failed for server HTTPS://liveupdate.symantecliveupdate.com/ on port 443.
Proxy (proxy IP/URL) is configured for server (liveupdate.symantecliveupdate.com). Won't go for explicit DNS query.
Download Error for minitri.flg. SERVER DOES NOT EXIST or some network issue.
Proxy connect error while downloading minitri.flg. UNABLE TO CONNECT TO PROXY.