 <ul>   <li>Check the proxy settings to make sure that they are correct.</li>   <li>Check to make sure your computer has a working network connection.</li>   <li>If your computer or network is protected by a firewall or proxy, make sure     that &brandShortName; is permitted to access the Web.</li> </ul> 
<ul><li>请检查浏览器的代理服务器设置是否正确。</li><li>请检查确认您的计算机有可用的网络连接。</li><li>如果您的计算机或网络受到防火墙或者代理服务器的保护，请确认 &brandShortName; 已被授权访问网络。</li></ul>