To resolve this issue, disable the connection to the proxy server.
To disable the connection to the proxy server:
- Click Start > Control Panel.
- Click Network and Sharing Center or Network and Internet.
- Click Internet Options in the left pane.
- Click the Connections tab.
- Click LAN Settings.
- Deselect Use a proxy server for your LAN.
- Click OK.
- Click OK to close the Internet Properties window.