Learn how to protect your PC, identity, and data from tech support scams.

What is Teredo? Select games like Forza Horizon 3 and 4 use a networking protocol called Teredo for multiplayer gaming on the Xbox network. Teredo is a networking protocol that's used to establish communications between clients and servers, and to facilitate connectivity between devices behind routers that use network address translation (NAT).

Provides Windows client guidance for IT Pros to protect against speculative execution side-channel vulnerabilities.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

Find out how to fix network connectivity problems when using Xbox multiplayer and chat features on Windows 10/11.

了解如何在 Windows 10/11 上使用 Xbox 多人游戏和聊天功能时修复网络连接问题。

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For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview, see the update history page for Windows 11, version 24H2. Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard. Improvements This Out-of-band (OOB) update includes quality improvements. This update is ...

This security update includes fixes and quality improvements that are part of the following updates: September 9, 2025—KB5065429 (OS Builds 19044.6332 and 19045.6332) September 25, 2025—KB5066198 (OS Build 19045.6395) Preview The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text ...

如果你收到一条通知，指出你的 Xbox 订阅的尝试付款被拒绝，或者当你尝试使用 Xbox 订阅时看到以下错误消息： 我们的计费服务已多次拒绝你的信用卡