Attention, your security certificates expire in June 2026: install updates now

Worried your PC might not start in 2026? The Secure Boot certificates from 2011 begin expiring in June, but there's no need to panic. Most devices will keep running normally and receive the newer 2023 certificates automatically through Windows Update. Simply check that Secure Boot is enabled and keep your updates current. Skip this, and your PC may miss vital early-boot security protections down the line. A quick check today keeps you safe tomorrow.
Attention, your security certificates expire in June 2026: install updates now

Caution: Your computer may suddenly fail to start in June 2026. This is due to expired security certificates that block the computer from starting. Read this article to find out what this is all about and how to update the security certificates on your computer.

What are these security certificates actually?

From June 2026, certain security certificates that Windows PCs use when starting up will expire. These certificates are part of Secure Boot, a protective function that prevents malware from ...

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