How to check if your Windows PC is ready for the secure boot certificate expiry in June 2026

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

A hidden Windows boot certificate is about to expire — check this now

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

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 ...

‘One Time Restart’—Microsoft Changes Windows After 15 Years

If you bought your PC in the last two years, you’re likely already running new certificates. You can check in your Windows ...

Windows 11四月更新新增Secure Boot证书状态显示

微软在 Windows 11 四月 2026 更新中，除允许用户在无需重装系统的情况下开启或关闭 Smart App Control 外，还悄然加入了一项与启动安全相关的重要改进：Windows 安全中心现在可以直接显示 Secure ...

Microsoft Changes Windows Security After 15 Years—Update By ‘End Of April’

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 ...