When the proxy server is not set up in your browser, this operation is not needed.
When the proxy server is set up, CubeMagic also needs to be set it up.
In order to confirm if the proxy server is set in your browser, ask the administrator of the network or follow the method below.

In case of Internet Explorer 11

First, select [Tools]-[Internet Options] in menu bar.

Select [Connections] tag and Click [LAN Settings...].

When [Use a proxy server for your LAN] is check-marked, click [Advenced].
If it does not have a check mark, the proxy sever has not been set up.

Make a quick short note of the address that HTTP indicates.

When the window of the 'Packing Editor' is pop up, click [OPTION].

When you enter the OPTION window, select [Server] tag.
Check-mark [Using Proxy] and input the address in your note.
Click OK and your proxy server setting is completed.