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Post: January 2024 Windows 11 KB5034204 Update: Major Fixes for Bluetooth Audio and 24 Other Issues

January 2024 Windows 11 KB5034204 Update: Major Fixes for Bluetooth Audio and 24 Other Issues. The January 2024 preview update for Windows 11, versions 22H2 and 23H2, has been released by Microsoft under the designation KB5034204. This update notably rectifies Bluetooth audio issues and addresses 24 other known problems. As a non-security, optional cumulative update, it offers a preview of improvements and fixes ahead of the February 2024 Patch Tuesday release.

Key fixes in this update include resolving a problem with Bluetooth Low Energy (LE) Audio earbuds losing sound during music streaming, and an issue where audio from Bluetooth phone calls does not route through the PC when calls are answered on the PC.

The update also tackles a deadlock issue that hinders the search functionality in the Start menu for some users, as well as a bug in the OpenType font driver that affects text rendering in third-party applications on certain hardware configurations.

To install this optional “C” update, users must select ‘Download and install’ after checking for updates in Settings > Windows Update. Alternatively, the KB5034204 update can be downloaded directly from the Microsoft Update Catalog for manual installation. More details on installing this update at home are available in a support document.

January 2024 Windows 11 KB5034204 Update: Major Fixes for Bluetooth Audio and 24 Other Issues:

Other significant improvements in this update include:

  • Fixing an intermittent issue where the device becomes unresponsive post-installation of a print support app.
  •  Enhancing Windows reliability during power transitions to reduce stop error risks.
  •  Resolving an issue with 7-Zip files appearing empty in File Explorer.
  •  Addressing a BitLocker data-only encryption issue where a mobile device management (MDM) service might not receive accurate data due to specific policy settings in the BitLocker configuration service provider (CSP) node.
  •  Quarterly updates to the Windows Kernel Vulnerable Driver Blocklist file, DriverSiPolicy.p7b, to include drivers vulnerable to Bring Your Own Vulnerable Driver (BYOVD) attacks.

Microsoft also announced that Windows 11 22H2 will no longer receive optional, non-security preview releases after February 2024. However, cumulative monthly security updates will continue for this version, as well as for Windows 11 23H2 and Windows 10 22H2, which will receive both security and optional updates.

You can download the Windows update KB5034204 manually here.

Release Date:

23/01/2024

Version:

OS Builds 22621.3085 and 22631.3085

UPDATED 2/27/24
IMPORTANT: Updated dates for non-security updates for Windows 11, version 22H2

The new end date for non-security updates is June 24, 2025, for Windows 11, version 22H2 Enterprise, Education, IoT Enterprise, and Enterprise multi-session editions. Home, Pro, Pro Education, and Pro for Workstations editions will continue receiving non-security preview updates until June 26, 2024. After these dates, only cumulative monthly security updates will be provided.

For more details about this update change and how it affects your system, refer to this article.

For information about Windows update terminology, see the article on types of Windows updates and the monthly quality update types. For Windows 11, version 23H2 updates, visit the update history page.

Note: Follow @WindowsUpdate for the latest updates.

Highlights

  • This update resolves an issue that prevents the search functionality in the Start menu for some users due to a deadlock.
  • Improves reliability of video calls for a smoother experience.
  • Fixes an issue where the device becomes unresponsive intermittently after installing a print support app.
  • Addresses an issue in File Explorer’s Gallery, preventing the closure of tooltips.
  • Fixes an issue with Bluetooth Low Energy (LE) Audio earbuds losing sound during music streaming.
  • Resolves an issue where Bluetooth phone calls fail to route audio through the PC when answering calls.

Improvements

Note: Click the OS version name to expand and view detailed updates for Windows 11, version 23H2 and 22H2.

Windows 11, version 23H2
Windows 11, version 22H2

Windows 11 Servicing Stack Update – 22621.3073 and 22631.3073

This update improves the servicing stack, ensuring a reliable update installation process for future Windows updates. Servicing Stack Updates (SSUs) ensure your device receives updates smoothly.

Known Issues in This Update

How to Get This Update

Before Installing This Update

Microsoft combines the latest Servicing Stack Update (SSU) with the latest Cumulative Update (LCU). For more information on SSUs, visit Servicing Stack Updates.

Install This Update

Release Channel Available Next Step
Windows Update or Microsoft Update Yes Go to SettingsUpdate & SecurityWindows Update to download and install the update.
Windows Update for Business No These updates will be included in the next security update.
Microsoft Update Catalog Yes To get the standalone package, visit the Microsoft Update Catalog.
Windows Server Update Services (WSUS) No Import the update manually into WSUS. See Microsoft Update Catalog for instructions.

Removing the LCU

To remove the LCU, use the DISM/Remove-Package command line option with the LCU package name. You can find the package name by running DISM /online /get-packages.

About the Author: Bernard Aybout (Virii8)

Avatar of Bernard Aybout (Virii8)
I am a dedicated technology enthusiast with over 45 years of life experience, passionate about computers, AI, emerging technologies, and their real-world impact. As the founder of my personal blog, MiltonMarketing.com, I explore how AI, health tech, engineering, finance, and other advanced fields leverage innovation—not as a replacement for human expertise, but as a tool to enhance it. My focus is on bridging the gap between cutting-edge technology and practical applications, ensuring ethical, responsible, and transformative use across industries. MiltonMarketing.com is more than just a tech blog—it's a growing platform for expert insights. We welcome qualified writers and industry professionals from IT, AI, healthcare, engineering, HVAC, automotive, finance, and beyond to contribute their knowledge. If you have expertise to share in how AI and technology shape industries while complementing human skills, join us in driving meaningful conversations about the future of innovation. 🚀