norton liveupdate为什么不能用?
The following Symantec products and components are installed on your computer.
> LiveReg
> LiveUpdate
> Norton AntiVirus
> Norton AntiVirus 病毒定义
> ScriptBlocking
> Symantec Common Client Updates
> Symantec Common Driver: SymEvent
> Symantec Redirector
> Symantec Shared Components
> Symantec 安全响应中心提交软件更新
Initializing...
Unable to connect to host
LU1814: LiveUpdate could not retrieve the catalog file of available Symantec product and component updates. Please verify that you are able to connect to the Internet and run LiveUpdate again.
LiveUpdate session is complete.