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Windows 10 22H2 Windows 10 22H2 Optional preview
Preview

KB5035941

KB5035941: Cumulative update for Windows 10, version 22H2, March 2024. Desktop Spotlight and lock-screen content arrive; keyboard issue fixed

In short

Adds Windows Spotlight backgrounds and more lock-screen content, and addresses an issue that sometimes kept the touch keyboard from opening.

Does it affect you? Applies to: Devices running Windows 10, version 22H2, on x86, x64, or Arm64.

Build
19045.4239
Restart
Required

What changes

Fixes 12 changes

Touch keyboard

  • The touch keyboard opens more reliably instead of sometimes failing to open.1

COM+

For: Devices running applications that depend on COM+

  • Some applications that rely on COM+ no longer stop responding because of the issue addressed by this update.2

Windows 11 upgrade

For: Devices upgraded to Windows 11

  • Addresses an issue that could make some apps and features unavailable after upgrading to Windows 11.3

CloudAP

For: Devices with multiple users signing in and out at the same time on virtual machines

  • Addresses a sign-in deadlock that can occur when different users sign in and out at the same time on virtual machines.4

Remote Desktop

Verified in package

For: Remote Desktop users with the specified configuration

  • Addresses an issue that can prevent access to a network resource from a Remote Desktop session.5
    The issue occurs with Remote Credential Guard enabled and a Windows 11, version 22H2 or later, client.

Microsoft Edge

  • Microsoft Edge opens on Surface Hub devices running Team OS after the issue addressed by this update.6

Time service

Verified in package

For: Devices configured through MDM or Group Policy

  • The Windows Settings app reflects the time-service configuration set through MDM or Group Policy.7

LoadImage()

For: Applications that load top-down bitmaps

  • Addresses a problem that prevented some top-down bitmap images from loading.8
    When LoadImage() loads a top-down bitmap with a negative height, the image fails to load and the function returns NULL.

Scanners

For: Devices connecting to scanners over USB using eSCL

  • Scanners no longer stop responding because of the issue when connected over USB using eSCL.9

AppLocker

  • An existing AppLocker rule collection enforcement mode is not overwritten when rules merge with a collection that has no rules.10
    This behavior applies when the enforcement mode is set to “Not Configured.”

Group Policy

  • The Group Policy service no longer fails after an audit policy is applied to the system using LGPO.exe.11

Virtual Remote App

For: Users of a Virtual Remote App product with a custom shell

  • Addresses a reliability issue when a Virtual Remote App product is opened using a custom shell.12

Improvements 7 changes

Time zones

3 items
  • Windows supports daylight saving time changes in Palestine.13
  • Windows supports daylight saving time changes in Kazakhstan.14
  • Windows supports daylight saving time changes in Samoa.15

Country name

  • The former Republic of Turkey is shown under its new official English name, the Republic of Türkiye.16

Antimalware Scan Interface

  • Antimalware scanning can better detect attempts to bypass scans, and the update addresses long-standing issues that exposed devices to threats.17
    The update affects the AmsiUtil class in the Antimalware Scan Interface (AMSI).

Country and Operator Settings Asset

Verified in package
  • COSA profiles are updated for some mobile operators.18

Servicing stack

  • The component that installs Windows updates receives quality improvements to help devices reliably receive and install Microsoft updates.19
    Includes servicing stack update version 19045.4163.

New features 5 changes

Desktop background

Gradual rollout Verified in package
  • Windows Spotlight can show new images as your desktop wallpaper, with a Learn More button that opens Bing.20
    Turn it on at Settings > Personalization > Background > Personalize your background, then choose Windows spotlight.

Lock screen

Gradual rollout Verified in package
  • The lock screen can show sports, traffic, and finance content in addition to weather.21
    Turn it on at Settings > Personalization > Lockscreen.

Windows 11 upgrade notice

Gradual rollout

For: Devices eligible for a Windows 11 upgrade

  • Eligible devices might show a sign-in message inviting users to upgrade to Windows 11.22

Windows Hello for Business

  • IT admins can turn off the prompt that appears after users sign in to an Entra-joined device.23
    Use MDM to enable the “DisablePostLogonProvisioning” policy setting. Provisioning is then off after sign-in on Windows 10 and Windows 11 devices.

Taskbar search

Gradual rollout Verified in package
  • Search highlights appear in the taskbar search box for users in the European Economic Area.24

Known issues

  1. Resolved Affects: Organizations and IT administrators Resolved by KB5040525

    After you install KB5034203 (dated 01/23/2024) or later updates, some Windows devices that use the [DHCP Option 235](https://learn.microsoft.com/tr…

    The issue is resolved by KB5040525: some devices using DHCP Option 235 to discover Microsoft Connected Cache nodes might instead download updates and apps from the public internet. Home edition users are not likely to experience it.25

    Resolution Fixed in KB5040525

    Install KB5040525 (or a later cumulative update) on affected devices. No manual workaround is required after updating.

  2. Open Affects: Everyone

    Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…

    On Windows devices using more than one monitor, desktop icons might move unexpectedly between monitors or have other alignment problems when using Copilot in Windows (in preview). The page says the new Copilot experience rolling out with KB5039299 or later will address this.26

    How to apply the workaround Workaround

    The new Copilot experience is gradually rolling out to devices with KB5039299 or later and is intended to address the issue.26

  3. Open Affects: Everyone

    Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Copilot in Windows (in preview) is not supported when the taskbar is vertical on the left or right side of the screen. The page says the new Copilot experience rolling out with KB5039299 or later will address this.27

    How to apply the workaround Workaround

    The new Copilot experience is gradually rolling out to devices with KB5039299 or later and is intended to address the issue.27

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2024-03-26
Classification
Updates
Type
Cumulative update
Restart
Required
Replaces
KB5034843, KB5034203
Replaced by
KB5036979
VersionBuildChannel
22H2 19045.4239 General availability

Security

No vulnerabilities are listed for this update.

Updated components

1,870 files changed since the previous update for the same versions.

Top changed componentsFiles
Settings39
Graphics and display33
Printing28
Windows Update27
Hyper-V and virtualization25
Security and sign-in21
Secure Boot18
File Explorer and shell16
Bluetooth12
Search12
Kernel11
Remote Desktop10

Verified in package: changed files confirm Remote Desktop, Time service, Country and Operator Settings Asset, Desktop background, Lock screen, Taskbar search.

Sources

Updated
Cited passages from Microsoft's official notes (27)
  1. 1. This update addresses an issue that affects the touch keyboard. It does not open sometimes. support.microsoft.com
  2. 2. This update addresses an issue that affects the COM+ component. Some applications that depend on it stop responding. support.microsoft.com
  3. 3. This update addresses an issue that stops some apps and features from being available. This occurs after you upgrade to Windows 11. support.microsoft.com
  4. 4. This update addresses a deadlock issue in CloudAP. It occurs when different users sign in and sign out at the same time on virtual machines. support.microsoft.com
  5. 5. You cannot access it from a Remote Desktop session. This occurs when you turn on the Remote Credential Guard feature and the client is Windows 11, version 22H2 or higher. support.microsoft.com
  6. 6. This update addresses an issue that affects Microsoft Edge. It fails to open on Surface Hub (Team OS). support.microsoft.com
  7. 7. But the Windows Settings app does not match what you have configured. support.microsoft.com
  8. 8. If the bitmap has a negative height, the image does not load and the function returns NULL. support.microsoft.com
  9. 9. This update addresses an issue that affects scanners. They stop responding when you connect to them using eSCL over USB. support.microsoft.com
  10. 10. It is not overwritten when rules merge with a collection that has no rules. This occurs when the enforcement mode is set to “Not Configured.” support.microsoft.com
  11. 11. This update addresses an issue that affects the Group Policy service. It fails after you use LGPO.exe to apply an audit policy to the system. support.microsoft.com
  12. 12. This update addresses a reliability issue. It affects a Virtual Remote App product when you use a custom shell to open it. support.microsoft.com
  13. 13. This update supports daylight saving time (DST) changes in Palestine. support.microsoft.com
  14. 14. This update supports DST changes in Kazakhstan. support.microsoft.com
  15. 15. This update supports DST changes in Samoa. support.microsoft.com
  16. 16. This update changes the English name of the former Republic of Turkey. The new, official name is the Republic of Türkiye. support.microsoft.com
  17. 17. This update affects the Antimalware Scan Interface (AMSI) AmsiUtil class. It helps to detect the bypass of the AMSI scan. support.microsoft.com
  18. 18. This update makes Country and Operator Settings Asset (COSA) profiles up to date for some mobile operators. support.microsoft.com
  19. 19. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. support.microsoft.com
  20. 20. This update adds Windows Spotlight to your desktop background. This feature displays new images as your desktop wallpaper. support.microsoft.com
  21. 21. In addition to weather, sports, traffic, and finance content will appear. support.microsoft.com
  22. 22. When you sign in, you might see a message that invites you to upgrade to Windows 11. This message only appears if your device is eligible for an upgrade. support.microsoft.com
  23. 23. To do this, they can turn on the “DisablePostLogonProvisioning” policy setting. support.microsoft.com
  24. 24. This update adds search highlights to the taskbar search box for the European Economic Area. support.microsoft.com
  25. 25. This issue is addressed in KB5040525. support.microsoft.com
  26. 26. We are gradually rolling out a new Copilot experience for devices with KB5039299 or later updates installed. This new experience will address this issue. support.microsoft.com
  27. 27. Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 27 quoted passages · compared with Microsoft's page on Oct 20, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 4/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake