我收到错误信息："无法下载档案"。我应怎么办？

错误简述

已连接服务器，但因不同原因不能下载档案。
建议解决方法

请在更新时检查以下设定：
a. 由内联网的更新服务器取得更新
请确保在"位置" 部份取得正确的服务器名单 (ESET NOD32 控制中心->更新->更新->设定)
尝试重新启动你的计算机
联络你的系统管理员，检查更新服务器的设定
如问题持续，请联络你的系统管理员在更新服务器执行更新。
如问题持续仍不能解决，请联络技术支持

b. 直接从 Eset 的网页服务器取得更新
请检查所有连接及重试。
请重新启动你的计算机
如问题持续，请等候半小时，然后再次尝试。
如问题仍不能解决，请联络技术支持。
Short description of the error message

The connection to the server with the provided name was established, but the file could not be downloaded for various reasons.
Solution suggestions

Please check the following - if you are updating:
a. From the Update server in your Local Area Network
Make sure you have the correct server listed in the "Location" section.
Try rebooting your computer
Contact your System Administrator to check the consistency of the mirror
If the problem persists, your System Administrator should make an update of the mirror.
If the problem still can not be solved, contact support
b. Direct from the Eset's web server
Check all connections and try again.
Try rebooting your computer.
If the problem persists, wait for about half an hour, then try again.
If the problem still cannot be solved, contact support.