IE 11：在我自己的代码中出现CSS3111错误，google.com/fonts不显示任何字体 [英] IE 11: error CSS3111 in my own code, and google.com/fonts doesn't render any fonts

问题描述

我正在开发一个使用Google字体 Open Sans 的网站：

 code>< link href ='https：//fonts.googleapis.com/css？family = Open + Sans：400,300,300italital，400italic，600,600italic，700italic，800italic，800,700'rel ='stylesheet'type = 'text / css'> 
  

通常情况下，我在使用Chrome时使用我的网站，但今天我决定看看它的外观IE 11（11.0.10240.16431）。不幸的是， Open Sans 没有被正确加载和呈现。我在开发人员工具控制台中看到很多这些错误：

  CSS3111：@ font-face遇到未知错误。 
 PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff 
  

想到这很奇怪 - 我以前开发了一个网站加载Google字体在IE 10中正常 - 我前进到

Google字体在IE 11中被破坏了吗？字体在Edge，Chrome，Firefox等中正确加载。我对如何继续在IE中使这些字体工作感到失落。

UPDATE 1

在IE 11中将模拟文档模式设置为8会导致字体正确呈现。 IE 9+仍然展示相同的问题，但是。这是Google的某种不正确的用户代理字符串处理吗？

UPDATE 2

我去了 FontSquirrel 并下载了Open Sans的所有格式。我还导入了ZIP中提供的CSS。不幸的是，IE和现在Firefox继续报告，字体不能使用。 Firefox表示可下载的字体：平台无法使用

UPDATE 3 >

我已经确认IE的所有安全区域的字体下载设置已设置为启用。

解决方案

对我来说，这个问题是由Windows 10功能不受信任的字体锁定引起的。

使用此功能，您可以开启全局设置，停止用户访问加载由图形设备接口（GDI）处理的不受信任的字体。不受信任的字体是在％windir％/ Fonts目录外安装的任何字体。 https://support.microsoft.com/en-us/kb/3053676

使用组策略禁用不受信任的字体锁定：

1. 打开组策略管理编辑器


2. 在本地计算机策略下，展开计算机配置，展开管理模板，展开系统，然后单击缓解选项。 / li>
   
3. 在不受信任的字体屏蔽设置中，选择不要屏蔽不受信任的字体

使用注册表编辑器禁止使用不受信任的字体：

1. 打开注册表编辑器（regedit.exe），并转到以下注册表子项：
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Kernel\


2. 如果MitigationOptions键不存在，请右键单击并添加一个新的QWORD 64位）值，将其命名为MitigationOptions。


3. 要关闭此功能。
   重要：需要重新启动计算机才能使更改生效
   。
   

   I am developing a website that uses the Google font Open Sans like so:

   <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700italic,800italic,800,700' rel='stylesheet' type='text/css'>
   

   Normally, I use Chrome when working with my website, but today I decided to see how it looks in IE 11 (11.0.10240.16431) on Windows 10. Unfortunately, Open Sans isn't being loaded and rendered properly. I see lots of these errors in the Developer Tools console:

   CSS3111: @font-face encountered unknown error.
   PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff
   

   Thinking that was strange--I had previously developed a site that loaded Google Fonts just fine in IE 10--I headed on over to https://www.google.com/fonts. More CSS3111 errors, with every custom font being displayed in serif instead:

   Is Google Fonts simply broken for IE 11? The fonts do load correctly in Edge, Chrome, Firefox, etc. I am at a loss for how to proceed to get these fonts to work in IE.

   UPDATE 1

   Setting the emulated document mode to 8 in IE 11 causes the fonts to render correctly. IE 9+ still exhibited the same issues, however. Is this some kind of incorrect user agent string processing by Google, perhaps?

   UPDATE 2

   I went to FontSquirrel and downloaded Open Sans in all its formats. I also imported the CSS provided in the ZIP. Unfortunately, IE and now Firefox continue to report that the font can't be used. Firefox says downloadable font: not usable by platform.

   UPDATE 3

   I've confirmed that IE's Font download setting is set to Enabled for all security zones.

   解决方案

   For me, this issue was caused by a Windows 10 feature called Untrusted Font Blocking. My office network had this turned on in our group policy settings.

   Using this feature, you can turn on a global setting that stops users from loading untrusted fonts that are processed by the Graphics Device Interface (GDI). Untrusted fonts are any fonts that are installed outside the %windir%/Fonts directory. https://support.microsoft.com/en-us/kb/3053676

   To disable Untrusted Font Blocking using Group Policy:

   1. Open Group Policy Management Editor
   2. Under Local Computer Policy, expand Computer Configuration, expand Administrative Templates, expand System, and then click Mitigation Options.
   3. In the Untrusted Font Blocking setting select Do not block untrusted fonts

   To disable Untrusted Font Blocking using Registry Editor:

   1. Open Registry Editor (regedit.exe) and go to the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Kernel\
   2. If the MitigationOptions key is not there, right-click and add a new QWORD (64-bit) Value, naming it as MitigationOptions.
   3. To turn this feature off. Type 2000000000000.

   IMPORTANT: A computer restart is required for the changes to take effect

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