Secure Boot certificates expire on one billion PCs next month — Microsoft's latest Windows update warns if your PC is now at ...

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

In an “important” update last week, Microsoft confirmed that the Secure Boot certificate expiration that starts in June will ...

The Secure Boot certificates powering one of Windows' most critical security features expire in June 2026 — and not every PC ...

Microsoft's latest Windows update now confirms if your PC is Secure Boot-protected - how it works ...

Microsoft has clarified that Windows 11 restarting more than once after an update is expected behavior, not a sign of a ...

Microsoft's original Windows Secure Boot certificates issued in 2011 expire in June 2026. Here's what that means for your PC ...

Microsoft has released the Windows 10 KB5087544 extended security update to fix the May 2026 Patch Tuesday vulnerabilities ...

Not every Windows PC will automatically get the new Secure Boot certificates before the June 2026 deadline. Here's how to ...

Microsoft's old Secure Boot certificates expire mid-year. The Windows Security app displays the update status.

This has never happened before. Microsoft is expiring the authentication that protects Windows PCs from threats each time they restart. Secure Boot certificates on almost all Windows PCs date back to ...

The original Unified Extensible Firmware Interface (UEFI) Secure Boot certificates for Windows will start expiring in late June. Microsoft has urged IT and security leaders to apply updated ...