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Learn what to do if you receive error 0x80070490 or 80070490 while trying to use your Xbox console or Windows device.

Summary This article lists the security issues and quality improvements included in this security update. The bold text within the brackets indicates the item or area of the change we are documenting. Improvements [OS Security] Updates to the Windows Kernel Vulnerable Driver Blocklist (DriverSiPolicy.p7b). Additions have been made to blocklist drivers with security vulnerabilities that have ...

Xbox Support ... Xbox Support

什么是安全启动？ 安全启动是统一可扩展固件接口中的一项安全功能， (基于 UEFI) 的固件，可帮助确保只有受信任的软件在设备的启动 (启动) 序列中运行。 它的工作原理是针对存储在设备固件中的一组受信任的数字证书 (（也称为证书颁发机构或 CA) ）验证预启动软件的数字签名。 作为行业标准 ...

要更改电子邮件地址或用于服务订单的退货交付地址，你需要取消订单，然后重新提交。 如果已经发出 Xbox 设备，但发现需要将其送至与订单上所列地址不同的地址，请与承运商联系。 如果你已发出控制器、电源或其他配件，或支付了将直接发送给你的货物的款项，但发现需要将更换产品发送到不 ...

Learn about error code E68 and what to do if you see it when you use an Xbox 360 console.

尋找適用于 Windows 作業系統的説明和操作說明文章。 取得 Windows 支援，並瞭解安裝、更新、隱私權、安全性等。

How do I know if my game saves are in the cloud? While you're playing a game, game data is stored on your Xbox console. When you leave a game, your data is stored to both your hard drive and the cloud. The Xbox network keeps important data in sync so that you don't lose anything if you use another console or switch to a new one.

The following steps describe how to uninstall Microsoft 365 products on a PC (laptop, desktop, or 2-in-1). For Mac, see Uninstall Office for Mac.