How to check your Windows PC for expiring security certificates - a big one is ending soon ...

Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.

Make sure you've updated before the deadline.

Struggling with Microsoft Edge "Certificate Not Trusted" error in 2026? Follow our ultimate guide with step-by-step fixes, ...

If your PC is more than two years old, your Windows Secure Boot certificates will expire in June 2026. You will stop receiving Secure Boot updates, and it could eventually cause boot issues. While ...

Microsoft will begin delivering new Secure Boot certificates via Windows Update in March 2026. The update targets millions of PCs before the original 2011 certificates begin expiring in June. The move ...

Microsoft will use standard Windows 11 updates to keep Secure Boot working on existing PCs as the operating system's original certificates near their end. The company says Secure Boot certificates ...

In brief: Secure Boot was originally introduced with Windows 8 as a firmware-based security feature designed to protect the OS from potentially malicious boot code. After more than 15 years, the ...

TL;DR: Secure Boot certificates in Windows 10 and 11 will expire by June 2026, risking system security and compatibility. Microsoft is issuing new certificates through updates and OEM firmware ...

Devices that don’t receive new Secure Boot certificates may miss out on future security updates. Devices that don’t receive new Secure Boot certificates may miss out on future security updates. is a ...

The series of destructive Windows 11 updates continues. The January 2026 security update for Windows 11, titled KB5074109, was meant to include routine fixes for networking and power issues, a new ...

Windows 11 users are advised to avoid a new system update from Microsoft after some were left with computers that refused to boot. The update in question, KB5074109, is also breaking other areas of ...