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Fixes & improvements

Windows 10 build 19042.844 (KB4601382) outs for version 20H2

Microsoft releases a preview of the next quality update for Windows 10 20H2 with a slew of fixes and several improvements.

Microsoft is now making available the update KB4601382 for Windows 10 20H2 in the Beta and Release Preview Channels of the Windows Insider Program with a slew of fixes planned to roll out during the next monthly update of the operating system.

The update KB4601382 bumps the version number to 19042.844, and according to the company announcement, it fixes problems with the out-of-box experience (OOBE), traditional desktop apps, refresh rate for high dynamic range (HDR) displays, video playback flickering, remote desktop, and Microsoft Defender high processor usage. It also improves support for the Chromium version of Microsoft Edge, removes the history of previously used pictures in the user account profile, and much more.

Windows 10 build 19042.844 (KB4601382)

These are all the fixes available with build 19042.844 in the Beta and Release Preview Channels:

  • Fixed a problem that prevents traditional desktop (Win32) apps from opening as a different user when using the runas command.
  • Addressed an issue that displays unexpected screens during the OOBE.
  • Fixed a problem causing video playback to flicker when rendering on certain low-latency capable monitors.
  • Addresses an issue in Advanced display settings that show the incorrect refresh rates available for high dynamic range (HDR) displays.
  • Fixes a problem that exhausts resources because Desktop Windows Manager (DWM) leaks handles and virtual memory in Remote Desktop sessions.
  • Fixed a problem with a stop error that occurs at startup.
  • Addresses an issue that might delay a Windows Hello for Business (WHfB) Certificate Trust deployment when you open the Settings > Accounts > Sign-in Options page.
  • We fixed high memory and CPU utilization in Microsoft Defender for Endpoint.
  • Fixed a problem that displays the wrong language on a console after you change the system locale.
  • Addresses an issue that prevents the User Profile Service from detecting a slow or a fast link reliably.
  • Fixed a problem with screen rendering after opening games with certain hardware configurations.
  • Addresses an issue that causes contention for a metadata lock when using Work Folders.
  • We removed the history of previously used pictures from a user account profile.
  • Fixed a problem that displays an error when you attempt to open an untrusted webpage using Microsoft Edge or open an untrusted Microsoft Office document.
  • Addresses an issue with a memory leak in Internet Explorer 11 that occurs when you use the Chinese language pack.
  • Fixed a problem that causes the host process of Windows Remote Management (WinRM) to stop working when it formats messages from a PowerShell plugin.
  • Addresses an issue in the Windows Management Instrumentation (WMI) service that causes a heap leak each time security settings are applied to WMI namespace permissions.
  • Fixed a problem with external cameras that support Windows Hello. 
  • We updated support for hole punch and stapling locations for print jobs with long edge first paper feed direction on certain printers.
  • Addresses an issue that might cause the IKEEXT service to stop working intermittently.
  • Fixed a problem that might prevent a Non-Volatile Memory Express (NVMe) device from entering the proper power state.
  • Addresses an issue that prevents wevtutil from parsing an XML file.
  • Fixed a problem that fails to report an error when the Elliptic Curve Digital Signature Algorithm (ECDSA) generates invalid keys of 163 bytes instead of 165 bytes.
  • We displayed the proper Envelope media type as a selectable output paper type for Universal Print queues.
  • We ended the display of random paper size for a printer when it uses the Microsoft Internet Printing Protocol (IPP) Class Driver.
  • We enabled Windows to retrieve updated printer capabilities to ensure that users have the proper set of selectable print options.
  • Addresses 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. This prevents the cached file from updating dynamically.
  • Fixed a problem that might prevent certain CAD applications from opening if those applications rely on OpenGL.
  • Addresses an issue with certain COM+ callout policies that cause a deadlock in certain applications.
  • Fixed a problem that might cause a deadlock when a COM server delivers an event to multiple subscribers in parallel.
  • Addresses an issue that sometimes prevents the input of strings into the Input Method Editor (IME).
  • Fixed a problem that might sometimes prevent some keyboard keys from working, such as the home, Ctrl, or left arrow keys. This issue occurs when you set the Japanese IME input mode to Kana.
  • Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). 
  • Fixed a problem with User Datagram Protocol (UDP) broadcast packets that are larger than the maximum transmission unit (MTU). Devices that receive these packets discard them because the checksum is not valid.
  • Addresses an issue that might cause stop error 7E in sys on servers running the Network File System (NFS) service.
  • Fixed a problem that might prevent the correct Furigana characters from appearing in apps that automatically allow the input of Furigana characters. You might need to enter the Furigana characters manually. 

Update improvements

Here are the improvements available with build 19042.844 for Windows 10:

  • Turns off token binding by default in Windows Internet (WinINet).
  • Adds a new dfslogkey in HKEY_LOCAL_MACHINE/SOFTWARE/MICROSOFT/dfslog. The RootShareAcquireSuccessEvent field has the following possible values, including a default value of 1 to enable the log, and a value other than 1 disables the log.
  • Updates the Open Mobile Alliance (OMA) Device Management (DM) sync protocol by adding a check-in reason for requests from the client to the server. The check-in reason will allow the mobile device management (MDM) service to make better decisions about sync sessions. With this change, the OMA-DM service must negotiate a protocol version of 4.0 with the Windows OMA-DM client.
  • Windows Hello will now use the external camera when an internal Windows Hello camera is present.
  • Improves the ability of the WinHTTP Web Proxy Auto-Discovery Service to ignore invalid Web Proxy Auto-Discovery Protocol (WPAD) URLs that the Dynamic Host Configuration Protocol (DHCP) server returns.
  • Improves startup times for applications that have roaming settings when User Experience Virtualization (UE-V) is turned on.
  • Adds support for using the new Chromium-based Microsoft Edge as the assigned access single kiosk app.
  • Enhances data loss prevention and insider risk management solution functionalities in Microsoft 365 endpoints.

Microsoft is listing the complete set of improvements and fixes for Windows 10 build 19042.844 at the Windows Blog.

Download Windows 10 build 19042.844

The preview is available immediately through the Release Preview Channel and Beta Channel, and it will install automatically. However, you can always force it from Settings Update & security > Windows Update and clicking the Check for updates button.