This update was released for both Windows 10 versions 2004 and 20H2. Its primary focus is to service the update channel to ensure users keep receiving new updates free of hassle. Installing this update will upgrade your builds to 19041.844 for v2004 and 19042.844 for v20H2. Also see: KB4601382 for Insider Preview Beta Channel KB4601382 for Insider Preview Dev Channel Visit this page to learn more about Microsoft Insider programs. Let’s dig into what this update brings to Windows and how you can install it on your PC.
What’s new in KB4601382
Since both v2004 and 20H2 have the same core backbone, most of the new features apply to them both. Let’s discuss these in detail.
Servicing Stack Update
As we mentioned earlier, this is a Servicing Stack Update. Servicing stack refers to the component that installs Windows updates. Maintaining it ensures that Windows 10 users have a reliable and robust stream of updates.
Highlights
Here is a list of all the significant changes and improvements this update brings to your OS:\
Addresses an issue with Windows Out of Box Experience (OOBE) which displays unexpected screens.Addresses an issue in the Advanced display settings in the Settings app that showed incorrect refresh rates for High Dynamic Range (HDR) displays.A problem that resulted in playback video flickering when rendering on certain low-latency monitors has been addressed.An issue that occasionally prevents string input in Input Method Editor (IME) has been fixed.Updates a problem that sometimes prevents some keyboard keys, such as Home, Ctrl, etc., from working.Addresses a problem that displays the wrong language when signing into a console after changing the system locale.The problem with screen rendering after opening games with specific hardware configurations has been fixed.The Envelop media type will now be displayed as a proper, selectable output paper type for Universal Print queues.Support for hole punch and stapling locations has been incorporated for print jobs.
Improvements and fixes
As mentioned, these improvements and fixes apply to both versions of Windows 10:
The problem of memory leak in Internet Explorer 11 while using the Chinese language pack has been addressed.An issue with some COM+ callout policies that may cause a deadlock in some applications has been fixed.An issue that prevented some Win32 applications from running as a different user when using the “Run as” option has been addressed.Addresses an issue with Windows Out of Box Experience (OOBE) which displays unexpected screens.An issue resulting in a deadlock when a COM server delivers an event to multiple subscribers has been taken care of.Addresses an issue in the Advanced display settings in the Settings app that shows incorrect refresh rates for High Dynamic Range (HDR) displays.An issue preventing some CAD applications from launching if they were relying on OpenGL has been fixed.The problem that resulted in playback video flickering when rendering on certain low-latency monitors has been addressed.An issue that occasionally prevents string input in Input Method Editor (IME) has been fixed.The issue of unnecessary resource exhaustion because Desktop Windows Manager (DWM) leaks handles and virtual memory in RDP sessions has been catered to.A stop error on startup has been mitigated.Addresses an issue that may delay a Windows Hello for Business (WHfB) Certificate Trust deployment when opening the Settings-> Accounts-> Sign-in Options page.Updates a problem that sometimes prevents some keyboard keys, such as Home, Ctrl, etc., from working in Japanese IME mode in Kana.The history of previously used pictures from a user account has been removed.Addresses a problem that displays the wrong language when signing into a console after changing the system locale.An issue that causes the host process of Windows Remote Management (WinRM) to stop working when messages from the PowerShell plugin are formatted has been addressed.The issue of a heap leak when the security settings are applied to Windows Management Instrumentation (WMI) namespace permissions has been fixed.A problem with screen rendering after opening games with specific hardware configurations has been fixed.The startup times for applications having roaming settings when User Experience Virtualization (UE-V) is enabled have been improved.An issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC) has been addressed.High CPU utilization by Microsoft Defender for Endpoint has been addressed.Data loss prevention and insider risk management solution functionalities have been enhanced in Microsoft 365 endpoints.An error displayed when attempting to access an untrusted webpage using Microsoft Edge or an untrusted Microsoft Office document has been mitigated.An issue that prevents wevtutil from parsing an XML file has been fixed.Addresses an issue that fails to report an error when the Elliptic Curve Digital Signature Algorithm (ECDSA) generates invalid keys of 163 bytes instead of 165 bytes.Support for using the new Chromium-based Microsoft Edge as an assigned access kiosk app has been added.Addresses an issue with User Datagram Protocol (UDP) broadcast packets that are larger than the maximum transmission unit (MTU).An issue in which the WinHTTP AutoProxy service does not comply with the value set for the maximum Time To Live (TTL) on the Proxy Auto-Configuration (PAC) file has been addressed.The Envelop media type will now be displayed as a proper, selectable output paper type for Universal Print queues.When using Microsoft Internet Printing Protocol (IPP) Class Driver, a random paper size will no longer be displayed.Enables Windows to retrieve updated printer capabilities to ensure that users have the proper set of selectable print options.Support for hole punch and stapling locations has been incorporated for print jobs.An issue that might cause the IKEEXT service to stop working has been addressed.An issue that may prevent a Non-Volatile Memory Express (NVMe) device from entering the proper power state has been fixed.A problem that may cause stop error 7E in nfssvr.sys on servers running the Network File System (NFS) service has been addressed.An issue that prevents the User Profile Service from detecting a slow or a fast link has been catered to.An issue that causes contention for a metadata lock when using Work Folders has been fixed.A new Key has been added to system registries with the following information:Path: HKEY_Local_Machine -> Software -> Microsoft -> dfslog.DWORD (32-bit) Value: RootShareAcquireSuccessEventDefault value = 1 -> enables log.Value other than 1 -> disables log.A check-in reason for requests from the client to the server has been added to the Open Mobile Alliance (OMA) Device Management (DM) sync protocol.Token binding has been turned off by default in Windows Internet (WinINet). An issue with failover in an environment that only has IPv6 clusters has been addressed.
Apart from these, another improvement to Windows 10 v20H2 has been made: This update improves the ability of WInHTTP Web Proxy Auto-Discovery (WPAD) Service to ignore invalid WPAD URLs that the Dynamic Host Configuration Protocol (DHCP) server returns.
Known issues
As with any update, here are KB4601382’s known issues:
Some system and user certificates might be lost when updating a device from Windows 10 v1809 or later to a later build of the OS. However, Microsoft states that devices using Windows Update for Business or directly connected to Windows Update are not impacted. If you are impacted by this, Microsoft suggests that you rollback to the previous version of the operating system using the steps provided in the article down below.Users might experience not getting the correct Furigana characters when using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters within an application that automatically allows the input of Furigana characters. Right now, Microsoft does not have a workaround for this.
Note that these specific issues have been known for quite some time, but Microsoft has not been able to solve them so far.
Download Windows update KB4601382
Install KB4601382 using Windows Update
Since this is an Optional Update, it will need to be installed manually. To install this update using Windows Update, please go to Start Menu –> Settings –> Update & Security –> Windows Update. In the right-hand pane, click on the Check for updates button. You will then be able to see the update. Click Download and install under it and it should begin downloading.
Download offline installers for KB4601382
These updates can also be installed on any computer that has the relevant version of Windows 10, without having an internet connection. Download the offline installers below as per your Windows 10 version and platform requirements:
For Windows 10 Version 20H2
Download KB4601382 for Windows 10 Version 20H2 64-Bit [440.2 MB] Download KB4601382 for Windows 10 Version 20H2 32-Bit [152 MB]
For Windows 10 Version 2004
Download KB4601382 for Windows 10 Version 2004 64-Bit [440.2 MB] Download KB4601382 for Windows 10 Version 2004 32-Bit [152 MB] To download any other updates related to any of the above, please check the Microsoft Catalog. To install the update, simply run the downloaded MSU file and Windows will automatically install the cumulative update.
Uninstall Windows cumulative updates
If you face any issues with this update, here is a quick guide on how you can uninstall the update on your computer.
Uninstall updates using Windows Update History tool
Uninstall update using command-line
You can also delete the update by entering several commands in the Command Prompt. Here is how: Restart your computer once the update is removed.
Cleanup after installing Windows Updates
If you want to save space after installing Windows updates, you can run the following commands: Also see:
Download KB4601382 For Windows 10 20H2 Build 19042.844Cumulative Update KB5001330 for Windows 10 versions 2004 and 20H2Microsoft Releases Cumulative Preview Update KB5000842 to Windows 10 v20H2 & v2004Cumulative Preview Update KB5006738 for Windows 10 v21H2 and v21H1Download KB4598291 For Windows 10 Cumulative Preview Builds 19042.789 (v20H2) and 19041.789 (v2004)
