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

Today is Microsoft's February 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three ...

Microsoft says many users will be able to pick up the updated Secure Boot certificates by visiting Windows Update, but a few may need additional firmware updates from their system (or motherboard’s) ...

Microsoft's Secure Boot certificates expire in June, and unless you've enrolled in its 'Extended Security Updates' program, the OS will fall into a 'degraded security state', Microsoft says.

Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026.

Another crucial Windows expiration date is right around the corner for more than a billion PCs. Here's what you need to do now.