Microsoft Investigates BitLocker Bug on Intel PCs

Microsoft is addressing a BitLocker glitch that activates recovery mode on certain Intel PCs following Windows updates issued post-2025-10-14.

Update Details and Affected Versions

The problem affects Intel-based systems running Windows 11 versions 25H2 and 24H2 (KB5066835) and some Windows 10 22H2 devices (KB5066791). The bug prompts recovery mode without configuration changes, possibly linked to the Connected Standby and Intel CPU power state management.

• Microsoft began investigating on 2025-11-05.
• Issues observed with updates since 2025-10-14.
• Windows 11 versions 25H2 and 24H2 impacted.
• Up to three virtual desktops on Azure affected.

Recommended Actions and Fixes

Microsoft is cautiously deploying a fix, possibly as an enablement package. Users are advised to back up BitLocker recovery keys and keep their systems updated.

The company highlights the importance of user vigilance by applying the latest patches to prevent unintended recovery prompts.

Update: 23 Jun 2026