If you're getting error 8015190A, it may mean there's a problem with the XBOX Live service or your XBOX Live account.

If you see error 0x8B050033 when updating your XBOX, try again a little later.

Introduction Microsoft is rolling out updated Secure Boot certificates to Windows devices to maintain protection against evolving boot-level threats. Most devices receive these updates automatically through Windows Update. This article explains why some devices are blocked from updating Secure Boot certificates, what this means, and what actions you can consider.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Windows Web Office for iOS If you get a "Cannot change this part of a PivotTable report" message, make sure the entire PivotTable is selected. Press Ctrl + A, and then press Delete again. If you're using a device that doesn't have a keyboard, try removing the PivotTable like this: Select a cell anywhere in the PivotTable to show PivotTable Tools on the ribbon. Select PivotTable Analyze ...

Дізнайтеся, як змінити частоту оновлення дисплея у Windows, щоб визначити, наскільки плавний рух відображається на екрані.

注意 Microsoft Authenticator 不 适用于电脑或 Mac，因为出于安全原因，验证器应用是专为智能手机设计的。 了解详细信息。 Microsoft 不再支持超过一年的 Authenticator 版本。 始终使设备保持最新。 中国用户应阅读 如何在中国下载和使用 Microsoft Authenticator。

Note For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1809, see its update history page.

当关键的 Windows 系统文件丢失或损坏时，操作系统可能会开始出现故障。 常见症状包括 Windows 功能无法正常工作、系统错误或 Windows 无响应或冻结。 如果遇到这些问题，可以使用内置的 Windows 修复工具（部署映像服务和管理 (DISM) 和系统文件检查器 (SFC) ）扫描损坏的系统文件并还原丢失或损坏的 ...

Windows 11 Windows 10 Cast to an external display from your Windows 11 PC You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. Press the Windows logo key + K, then select the display you'd like to cast ...