KB5034843: Cumulative update for Windows 10, version 22H2, February 2024. Share links to apps and keep games installed on other drives

Adds direct sharing of URLs to apps and keeps games installed on secondary drives. It also fixes several sign-in, input, and Remote Desktop problems.

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

What changes

Fixes 7 changes

Games

Games installed on a secondary drive remain installed on that drive.¹

Azure Virtual Desktop

2 items

Sign-in delays in Azure Virtual Desktop sessions are addressed.²
Azure Virtual Desktop virtual machines no longer randomly restart because of an access violation in lsass.exe.³
Addresses an access violation in lsass.exe that caused random restarts.

Windows Hello for Business

For: Windows Hello for Business users

Windows Hello for Business authentication to Microsoft Entra ID works in certain apps that use Web Access Management (WAM).⁴
Addresses authentication failures to Microsoft Entra ID in certain apps when using Web Access Management (WAM).

Microsoft Edge

Verified in package

For: Microsoft Edge users

The incorrect interface for Internet Options Data Settings is addressed.⁵

Japanese Input Method Editor (IME)

For: users of custom desktops with the Japanese IME

The Japanese IME works on custom desktops.⁶

Remote Desktop Web Authentication

Verified in package

For: users connecting to sovereign cloud endpoints

Connections to sovereign cloud endpoints that might have failed are addressed.⁷

Improvement 1 change

Servicing stack

The component that installs Windows updates receives quality improvements.⁸
Includes servicing stack update version 19045.4106.

New feature 1 change

Windows share

You can share URLs directly to apps such as WhatsApp, Gmail, Facebook, and LinkedIn. Sharing to X is coming soon.⁹

Removal 1 change

Windows Backup

For: devices in regions where Windows Backup is unsupported

Windows Backup no longer appears in the user interface in regions where the app is unsupported.¹⁰

Known issues

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…

Some devices using DHCP Option 235 to find Microsoft Connected Cache nodes might be unable to use those nodes and instead download updates and apps from the public internet. This issue is resolved by KB5040525.¹¹

Resolution Fixed in KB5040525

Install KB5040525 (or a later cumulative update) on affected devices. No manual workaround is required after updating.
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 devices using more than one monitor, desktop icons might move between monitors or become misaligned when using Copilot in Windows (in preview).¹²

How to apply the workaround Workaround

Wait for the new Copilot experience, which is gradually rolling out to devices with KB5039299 or later; it may arrive over the next few months.¹²
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 positioned vertically on the left or right side of the screen.¹²

How to apply the workaround Workaround

Wait for the new Copilot experience, which is gradually rolling out to devices with KB5039299 or later; it may arrive over the next few months.¹²

Technical details

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

Data sheet

Released: 2024-02-29
Classification: Updates
Type: Cumulative update
Restart: Required
Replaces: KB5034203
Replaced by: KB5035941

Version	Build	Channel
22H2	19045.4123	General availability

Security

No vulnerabilities are listed for this update.

Downloads (Microsoft Update Catalog)

x64 22H2

818.5 MB

windows10.0-kb5034843-x64.msu Main update · KB5034843 SHA-1: 3ea45deb…e47df9

Arm64 22H2

830.0 MB

windows10.0-kb5034843-arm64.msu Main update · KB5034843 SHA-1: 07854e11…704732

x86 22H2

443.7 MB

windows10.0-kb5034843-x86.msu Main update · KB5034843 SHA-1: fa4076d1…9d8022

Updated components

1,764 files changed since the previous update for the same versions.

Top changed components	Files
Settings	33
Graphics and display	28
File Explorer and shell	17
Networking	16
Security and sign-in	15
Emoji and input	12
Printing	10
Remote Desktop	10
Windows Update	10
Search	9
Storage and file systems	8
Secure Boot	7

Verified in package: changed files confirm Microsoft Edge, Remote Desktop Web Authentication.

Sources

Microsoft Support: KB5034843

Updated Oct 27, 2026

Cited passages from Microsoft's official notes (12)

1. This update affects games you install on a secondary drive. Now, they remain installed on the drive. support.microsoft.com
2. This update addresses an issue that affects Azure Virtual Desktop sessions. There are delays when you sign in. support.microsoft.com
3. This update addresses an issue that affects Azure Virtual Desktop virtual machines. At random, they restart. This occurs because of an access violation in lsass.exe. support.microsoft.com
4. This update addresses an issue that affects Windows Hello for Business. You cannot use it to authenticate to Microsoft Entra ID on certain apps. This occurs when you use Web Access Management (WAM). support.microsoft.com
5. This update addresses an issue that affects Microsoft Edge. The UI is wrong for Internet Options Data Settings. support.microsoft.com
6. This update addresses an issue that affects the Japanese Input Method Editor (IME). It fails to work for custom desktops. support.microsoft.com
7. This update addresses an issue that affects Remote Desktop Web Authentication. You might not be able to connect to sovereign cloud endpoints. support.microsoft.com
8. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. support.microsoft.com
9. Using Windows share, you can now directly share URLs to apps like WhatsApp, Gmail, Facebook, and LinkedIn. support.microsoft.com
10. This update affects the Windows Backup app. It will no longer show on the user interface in regions where the app is not supported. support.microsoft.com
11. This issue is addressed in KB5040525. support.microsoft.com
12. 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

Checked automatically: 8 of 8 checks passed, 12 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 5/5. 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