Microsoft starts expiring critical Secure Boot certificates next week — "the clock is ticking" on a billion PCs.

Microsoft has confirmed that the May 2026 Windows 11 security update (KB5089549) fails to install on some systems and ...

Your old PC isn't aging badly — this Windows security layer is just too heavy for it, so you need to disable it.

If your copy of Windows 11 has entered a multiple-reboot loop after installing the latest security update, don’t panic. It’s meant to do that, Microsoft says.

In an Ask Microsoft Anything livestream on YouTube, Microsoft Principal Security Engineer Arden White, Principal Software ...

Microsoft released KB5089573 for Windows 11 24H2 and 25H2 with Shared Audio, faster Search, and Windows Setup improvements.

Microsoft Secure Boot certificates from 2011 begin expiring in June 2026. Here’s how to check whether your Windows PC has the ...

Microsoft confirmed a Windows 11 update bug causing error 0x80010002 and blocking security updates since March 2026.

Hackers have broken into at least one organization using Windows vulnerabilities published online by a disgruntled security researcher over the last two weeks, according to a cybersecurity firm. On ...

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...

PCWorld outlines 10 free cybersecurity methods to protect Windows PCs from hackers, including password managers, two-factor authentication, and proper account management. These security practices ...