Microsoft warns Windows 11 PCs without the new Secure Boot certificates may lose future protections, boot security updates, ...

Microsoft says the new SecureBoot folder created by Windows 11 KB5089549 is expected and tied to Secure Boot certificate updates.

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

Secure Boot is one of the key Windows 11 hardware requirements, and its certificates will soon expire. Here is why it is important and what you need to know. About three months ago, Microsoft ...

Windows 8 is remembered most for its oddball touchscreen-focused full-screen Start menu, but it also introduced a number of under-the-hood enhancements to Windows. One of those was UEFI Secure Boot, a ...

How to check your Windows PC for expiring security certificates - a big one ends in June ...

Microsoft confirmed a Windows 11 update bug causing error 0x80010002 and blocking security updates since March 2026.