A system can still boot normally while quietly falling into a degraded security state.

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

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 ...

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

In the past, Microsoft has repeatedly pointed out that key security certificates in Windows 11 are due to expire as early as June 2026. These are required for Secure Boot, the security feature that ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. All change for Windows. Updated on Apr. 18 with another Windows update starting this month.

The Secure Boot Certificates will expire in June 2026. That’s why it is mandatory to get the latest Secure Boot Certificates update. Ignoring this update may lead to severe consequences, as it will ...

The April 2026 security updates from Microsoft may seem similar to previous months' "Patch Tuesday" updates, but these updates contain something a little more in-depth than just the usual application ...