Windows 11 version 24H2, all editions More...Less
Release Date:
8/27/2024
Version:
OS Build 26100.1591
Forinformation about Windows update terminology, see the articleabout thetypes of Windows updatesand themonthly quality update types.
NoteFollow@WindowsUpdateto find out when new content is published to the Windows release health dashboard.
Important:Windows 11, version 24H2 is targeting Copilot+ PCs devices and devices that were previously using Windows Insider 24H2 builds.
Highlights
Gradual rollout
These might not be available to all users because they will roll out gradually.
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[Widgets Board] We are rolling out an update to the Widgets Board to improve security and the APIs for creating widgets and feeds for users in EEA regions. As part of this update, the Microsoft Start Experiences app will power the Microsoft Start widget and feed experiences. Also, as part of this update, some existing widgets will be removed and others will be modified, temporarily affecting their functionality. This update sets the foundation for new widgets and other features in development, set to roll out soon.
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[Windows Share] New! You can now share content to your Android device from the Windows Share window. To do this, you must pair your Android device to your Windows PC. Use the Link to Windows app on your Android device and Phone Link on your PC.
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[File Explorer]
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When you press Windows logo key + E, a screen reader might say a pane has focus, or the focus might not be set at all.
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When you press Ctrl + F, sometimes the search does not start.
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Keyboard focus sometimes might get lost when you press Shift + Tab.
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Screen readers do not announce when you open or browse items that are in a breadcrumb of the Open or Save dialog.
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Screen readers do not announce when you open or browse items in the column header.
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[Narrator] This update makes scan mode respond quicker. This is especially helpful when you use Microsoft Edge and read large documents. To use scan mode, you must turn on Narrator first (Windows logo key + Ctrl + Enter). Then, turn on scan mode by pressing Caps lock + Spacebar during a Narrator session.
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[Battery life] Some GPUs cannot enter the low power state. This leads to high power usage that reduces battery life.
Improvements
This non-security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well.The bold text within the brackets indicates the item or area of the change we are documenting.
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[FrameShutdownDelay] The browser ignores its value in the “HKLM\SOFTWARE\Microsoft\Internet Explorer\Main” registry key.
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[Domain Name System (DNS)] A deadlock occurs in the domain controller (DC) when it starts up in the DNS client.
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[OpenSSH] This update adds a prompt that asks you to confirm when you turn on OpenSSH using the Server Manager UI.
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[Unified Write Filter (UWF) and Microsoft System Center Configuration Manager (SCCM)] An SCCM task to re-enable UWF fails because of a deadlock in UWF. This stops the device from restarting when you expect it.
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[vmswitches] They fail to enumerate using Get-VMSwitch command.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.
Windows 11servicing stack update (KB5042114) - 26100.1591
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
Known issues in this update
Microsoft is not currently aware of any issues with this update.
How to get this update
Before you install this update
Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU).For general information about SSUs,see Servicing stack updatesandServicing Stack Updates (SSU): Frequently Asked Questions.
Install this update
To install this update, use one of the following Windows and Microsoft release channels.
Windows UpdateBusinessCatalogServer Update Services
| Available | Next Step |
| Yes | Go toSettings>Update & Security>Windows Update. In theOptional updates availablearea, you will find the link to download and install the update. |
| Available | Next Step |
| No | None. These changes will be included in the next security update to Windows Update for Business. |
| Available | Next Step |
| Yes | To get the standalone package for this update, go to theMicrosoft Update Catalogwebsite. |
| Available | Next Step |
| No | You can import this updateinto Windows Server Update Services (WSUS) manually. See theMicrosoft Update Catalogfor instructions. |
If you want to remove the LCU
To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package nameby using this command: DISM /online /get-packages.
Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.
File information
For a list of the files that are provided in this update, download thefile information for cumulative update 5041865.
For a list of the files that are provided in the servicing stack update, download thefile information for the SSU (KB5042114) - version 26100.1591.
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