The update server exists on Internet or intranet and connection method must be selected properly. There are three ways to connect.
If the PC is connected to Internet directly or the update server is on the intranet, this type of connection is used.
If the PC is inside the firewall and the proxy server is prepared to connect to Internet, this type of connection is used.
If the PC is inside the firewall and the socks server is prepared to connect to Internet, this type of connection is used.
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