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 answers to FAQs about denial of service (DoS) and distributed denial of service (DDoS) attacks when you're using the Xbox network on your Xbox console.

Windows 安全中心应用是集成到 Windows 中的综合安全解决方案，旨在保护设备和数据免受各种威胁。 它包括Microsoft Defender防病毒、Windows 防火墙和智能应用控制等功能，这些功能协同工作，提供针对病毒、恶意软件和其他安全威胁的实时保护。 应用内置于 Windows 中，确保设备从启动的那一刻起就受到 ...

可以采用两种方法允许应用通过 Windows Defender 防火墙。 这两种方法都有风险： 将应用添加到允许的应用列表中 (风险较低的) 打开 (风险更高的端口) 在 Windows 防火墙中打开端口时，允许传入或传出设备的流量。 这会降低设备的安全性，并可能使黑客或恶意软件有机会使用其中一个开口访问你的文件 ...

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

学习在 Xbox 上在线兑换充值码后，如何安装游戏和可下载的游戏内容。

如果你怀疑你的设备可能有恶意软件，你应该Microsoft Defender运行扫描。 下面介绍如何在 Windows、Mac 或 Android 上执行此操作。

了解如何恢复遭到黑客攻击或受到威胁的帐户、接下来应执行的操作以及如何防止帐户在将来再受到威胁。

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.

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