On enterprise-managed Windows 10 and Windows 11 client devices, the Windows Security app and its notification service run normally. The Device security page and Secure Boot section are populated and ...

The message Windows Boot Manager has been blocked by the current security policy means that the computer’s firmware is stopping the bootloader from starting up because it does not meet the Secure Boot ...

Microsoft is warning users about an issue you may not have heard of. In the Device Security menu of the Windows Security app, some PCs now have a notice showing a Secure Boot certificate connected to ...

Microsoft has released the Windows 10 KB5094127 extended security update, which fixes the June 2026 Patch Tuesday vulnerabilities and adds new functionality to monitor the rollout of updated Secure ...

Microsoft has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring ...