图标缓存 vista
Have you ever had an issue where you continually get DNS errors while trying to browse, but another computer on the same network is working just fine? The problem is most likely that you need to reload your DNS cache on that machine.
您是否曾遇到过在尝试浏览时不断出现DNS错误，但同一网络上的另一台计算机运行正常的问题？ 问题很可能是您需要在该计算机上重新加载DNS缓存。
You can tackle this problem two ways, first by just clearing the cache, but also by restarting the DNS client service, which handles caching of DNS lookups.
您可以通过两种方法解决此问题，一种是通过清除缓存，另一种是通过重新启动DNS客户端服务来处理DNS查找的缓存。
UPDATE: We have a newer version of this article available, that has been updated for Windows 10, 8, and 7.
更新 ：我们有本文的更新版本，已经针对Windows 10、8和7更新。
Clear DNS Cache
清除DNS缓存
Open up an administrator mode command prompt by right-clicking on the Command Prompt in the start menu and choosing “Run as Administrator”
右键单击开始菜单中的命令提示符，然后选择“以管理员身份运行”，以打开管理员模式命令提示符。
Now type in the following command:
现在输入以下命令：
ipconfig /flushdns
ipconfig / flushdns
This usually clears up any issues that might be occurring. Note that if you are using Firefox you should probably also close and reopen, because Firefox has a DNS cache as well.
通常，这可以清除可能发生的所有问题。 请注意，如果您使用的是Firefox，则可能还应该关闭然后重新打开，因为Firefox也具有DNS缓存。
Restart DNS Service from Command Line
从命令行重新启动DNS服务
Open up an administrator mode command prompt as above, and then type in the following commands:
打开上面的管理员模式命令提示符，然后键入以下命令：
net stop dnscache net start dnscache
净停止dnscache净启动dnscache
I usually use the command prompt for this, since I already have it open for the previous step.
我通常使用命令提示符，因为我已经将其打开用于上一步。
Restart DNS Service from Services
从服务重新启动DNS服务
Open up Services in the control panel, or by just typing services into the Start menu search box. Once there, find the “DNS Client” service and click the Restart Service button.
在控制面板中打开服务，或者在“开始”菜单搜索框中键入服务 。 在那里，找到“ DNS客户端”服务，然后单击“重新启动服务”按钮。
By this point I’d hope that things are working again. Note that these instructions should also work for XP.
至此，我希望一切能够再次正常进行。 请注意，这些说明也应适用于XP。
Update: Reader Fred wrote in to mention that you can also use the “Repair” option in XP or Vista. Just go to the network connections list in control panel, find the adapter and choose Repair for XP or Diagnose for Vista.
更新：读者弗雷德(Fred)写道，您也可以在XP或Vista中使用“修复”选项。 只需转到控制面板中的网络连接列表，找到适配器，然后选择“修复XP”或“诊断Vista”。
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图标缓存 vista