Millions of Windows PCs Face a Secure Boot Update Deadline in 2026

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

Window’s Secure Boot certificates are expiring in June — here’s what you need to do

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