有关更多信息，请单击下面的文章编号，以查看 Microsoft 知识库中相应的文章： 822798 无法安装某些更新或程序 如果问题仍然存在，请转到下一种方法。 方法4：更新视频驱动程序 若要查看是否有适用的驱动程序更新可用，请访问下面的 Microsoft Windows ...

培训：观看并了解如何在 Outlook 中创建电子邮件联系人组，以便你可以通过电子邮件发送组，而不用单独发送电子邮件。 试一试！ 如果常向同一组人员发送电子邮件，则可在 Outlook 中创建一个联系人组，这样只需向该联系人组发送电子邮件，而无需逐个发送电子邮件。

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

系统文件检查器是 Windows 中的一个实用工具，用于检查计算机上文件的问题。 若要运行它，请按照下列步骤进行操作： 请确保已安装适用于 Windows 的最新更新，然后重新启动计算机。

Note: The options listed in this wizard vary depending on the key selected.For example, since you cannot reassign the Windows key, the only option available is to disable it.

Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.

If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

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To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E.

Training: Here's some helpful information and tips to help you make a smooth transition to PowerPoint from Slides.