最近的安装、激活、更新问题. 如果最近遭遇安装、激活或更新问题，请参阅最新 Office 安装问题或激活问题的修补程序或解决方法一文。. 有关 Office 应用程序的具体问题，请单击下面的链接，查找解决方法或修补程序。

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

如果你的触摸板无法工作，可能是因为驱动程序缺少或过时。 在设备管理器中更新或重新安装触摸板驱动程序有助于解决问题。

尚未运行 Windows 11？ 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11，并且最近更换了重要的硬件（如更换主板）或重新安装了 Windows，则“激活疑难解答”有可能帮助重新激活 Windows。

Tip: Outlook.com allows you to have multiple email addresses associated with a single account, and you can choose which email address you send mail from. Creating alternate addresses to use on websites or apps that force you to register can help keep your personal email address out of the hands of marketers and hackers.

已验证的 id 是安全受信任的凭据，网站和组织可以使用这些凭据，使帐户设置更简单、更安全。 通常，你将使用设备的相机在网站上捕获 qr 码，以获取新的验证 id，或验证设备上已有的 id。

Website notifications appear in the lower right corner of your screen and are also displayed in the Notification Center.When notifications are turned on for a website, they will still appear even if Microsoft Edge is closed.

按 Ctrl + Alt + Delete 打开任务管理器。如果在按 Ctrl + Alt + Delete 后未看到任务管理器，请按 Ctrl + Shift + Esc 打开任务管理器。 如果任务管理器与屏幕上的所有其他内容同时闪烁，则可能是显示驱动程序导致了该问题。

简介. Microsoft .NET Framework修复工具检测影响 Microsoft .NET Framework 安装或更新的常见问题。 该工具尝试通过应用已知修补程序或修复受支持的.NET Framework版本的损坏安装来解决这些问题。

How do I configure it? To configure potentially unwanted app blocking go to Start > Settings > Update & Security > Windows Security > App & browser control > Reputation-based protection settings.. There you'll find a control that lets you turn potentially unwanted app blocking off, and select if you want to block apps, downloads, or both.