Emergency Update KB5061768 for Windows 10 Resolves BitLocker Boot Loop Issues

Emergency Update KB5061768 for Windows 10 Resolves BitLocker Boot Loop Issues

Microsoft Rolls Out Emergency Windows 10 Update to Fix BitLocker Recovery Issues

As part of its commitment to user security and experience, Microsoft has initiated the distribution of an emergency update for Windows 10, specifically targeting issues affecting Intel-based systems. This out-of-band update seeks to resolve a critical problem where devices boot into BitLocker recovery due to complications linked to the LSASS process, initially triggered by the KB5058379 security update.

On October 10, 2025, Microsoft publicly acknowledged the existence of this issue, particularly for devices equipped with Intel Trusted Execution Technology (TXT) on 10th-generation Intel vPro processors and newer models. In response, the company has quickly made available a patch, identified as KB5061768, which corresponds to build numbers 19044.5853 for Windows 10 version 21H2 and 19045.5853 for Windows 10 version 22H2.

Key Update Details

The update comes with a focused changelog that addresses a specific concern:

  • OS Security (Recognized Issue): Resolved – A problem affecting systems with Intel Trusted Execution Technology (TXT) enabled, wherein the application of the May 2025 security update (KB5058379) could result in the Local Security Authority Subsystem Service (LSASS) terminating unexpectedly, leading to an Automatic Repair prompt requesting the BitLocker recovery key.

Recommendations for Affected Users

According to Microsoft’s recent update on the Windows Health Dashboard, users of affected devices who have not yet installed KB5058379 are highly encouraged to apply KB5061768. This proactive measure will help prevent the occurrence of BitLocker-related boot issues. If your system is already caught in a BitLocker loop, follow these steps:

  1. To regain access to your Windows, you will need to temporarily disable Intel VT for Direct I/O (known as VTD or VTX) and Intel Trusted Execution Technology (TXT) in your device’s BIOS or UEFI settings. Completing this step necessitates entering your BitLocker recovery key.
  2. Download and install the KB5061768 update from the Microsoft Update Catalog.
  3. After your system successfully restarts, go back into the BIOS or UEFI settings to re-enable Intel VT for Direct I/O and TXT, again requiring your BitLocker recovery key.

Additional Known Issues

Users should be aware of a separate issue arising from recent preview updates concerning the Noto font, which may cause text to render blurry or unclear in browsers such as Chrome and Edge, particularly in languages like Chinese, Japanese, and Korean when display scaling is configured to 100% (96 DPI).Microsoft is currently investigating this matter, and a temporary workaround involves adjusting display scaling to 125% or more.

Importantly, KB5061768 is exclusively available through the Microsoft Update Catalog, and will not be distributed via the standard Windows Update mechanism. Users are encouraged to access the update directly via this link.

For further details, refer to the original source.

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