The January 2026 Windows 11 update, KB5074109, might have killed some computers. If you're one of the unlucky ones, here's ...

Windows 11 has been out for quite a while, and it had some pretty high demands if you want to install it. Avoiding them might ...

Microsoft has shipped its first Patch Tuesday update of 2026 for Windows 11, delivering cumulative update KB5074109 to ...

微软已开始在受支持的 Windows 11 24H2 和 25H2 版本系统上逐步自动替换即将过期的 Secure Boot（安全启动）证书。此次更新将自动推送，旨在确保设备在 2026 年 6 月之后仍能维持安全启动功能并继续接收安全更新。 Secure Boot（安全启动）是一项安全功能，用于防止恶意软件（如 rootkit）在系统启动阶段运行。它通过 UEFI 固件确保设备仅加载经过验证的可 ...

Important security certificates for Windows 11 will soon expire for many users. In some cases, you will need to take action ...

This article describes how to enable Secure Boot to install Windows 11. How Do I Enable Secure Boot? The easiest way to enable Secure Boot is to do so through UEFI. It's typically listed as one of the ...

Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like ...

A Windows security update bug has prevented some Windows 11 24H2 and 25H2 users from booting into their PCs, requiring them ...

令人费解的是，用于替换的新凭证早在2023年就已签发，微软也早在去年7月就已公告需要更换凭证，但却拖到2026年1月的Windows 10累积更新（KB5073724）才正式更换。