Windows 10 KB4568831
Early access

Windows 10 update KB4568831 (preview) releases for version 2004

Update KB4559004 is now available as preview for Windows 10 version 1909 and 1903 to address several issues – here's all you need to know.

Microsoft is now releasing a preview of update KB4568831 for devices running Windows 10 version 2004. The update is expected to be fully available in August 2020, and it’s now available for anyone who wants to download it manually.

KB4568831 bumps the version number to build 19041.423, and according to the company, fixes problem with internet connectivity for cellular modems and printing to network printers. It addresses Settings crashing unexpectedly, storage pool creation using Storage Spaces, darker content than usual with high dynamic range (HDR), and much more.

In addition, the company is making available the same KB4568831 update as build 19042.423 for devices enrolled in the Beta Channel of the Windows Insider Program. The update is a re-release of build 19041.421, which enable the new Start menu, personalized taskbar, and more, and it includes the same fixes meant version 2004, since both versions of Windows 10 are in the same servicing schedule.

Update KB4568831 for Windows 10 version 1903 and 1909

Microsoft has announced KB4568831 in the Windows support site, and it’s referred as “July 31, 2020—KB4568831 (OS Build 19041.423) Preview.” If you’re already running the Windows 10 May 2020 Update on your device, this update will address these problems:

  • Addresses an issue with pasting mixed content of images and text from Microsoft Word into Internet Explorer.
  • Fixes a problem that occurs when a third-party application loads hidden tabs into Internet Options.
  • Addresses an issue that prevents you from using sharing functionality in Microsoft Office.
  • Fixes a problem that might display 4K high dynamic range (HDR) content darker than expected when you configure certain non-HDR systems for HDR Streaming.
  • Addresses an issue that might prevent a Windows 10 device from reaching the internet when using a wireless wide area network (WWAN) LTE modem. 
  • Fixes a problem in Microsoft Edge IE mode that occurs when you open multiple documents from a SharePoint site.
  • Addresses an issue in Microsoft Edge IE mode that occurs when you browse using anchor links.
  • Fixes a problem that prevents the creation of a storage pool using Manage Storage Spaces in Control panel.
  • Addresses an issue that might cause Microsoft browsers to incorrectly bypass proxy servers.
  • Fixes a problem in the Windows Push Notification (WNS) service that prevents you from selecting a virtual private network (VPN) interface to make outbound connections.
  • Addresses an issue that might cause the Magnifier to stop working in Microsoft Excel in certain scenarios.
  • Fixes a problem that prevents you from installing some .msi apps.
  • Addresses an issue that causes new child windows to flicker and appear as white squares on server devices that are configured for stark visual contrast.
  • Fixes a problem that causes the Settings page to close unexpectedly, which prevents default applications from being set up properly.
  • Addresses an issue that causes all open Universal Windows Platform (UWP) apps to close unexpectedly.
  • Fixes a problem that prevents Windows 8.1 apps from projecting to a secondary display when those apps use the StartProjectingAsync API.
  • Addresses an issue that prevents family safety features, such as time limits and activity reporting, from working on ARM64 devices.
  • Fixes a problem with File Explorer preview of .msg files when Microsoft Outlook 64-bit is installed.
  • Addresses an issue that causes a KERNEL_SECURITY_CHECK_FAILURE (139) stop error when Windows resumes from Sleep and turns on certain Bluetooth headsets.
  • Fixes a problem that might prevent certain display driver reset utilities from properly reinstalling the same driver on the system.
  • Addresses a reliability issue in WDF01000.sys.
  • Addresses an issue that causes memory leaks when an application calls the CryptCATAdminCalcHashFromFileHandle() function. T
  • Fixes a problem that prevents some machines from automatically going into Sleep mode under certain circumstances because of Microsoft Defender ATP Auto IR.
  • Addresses an issue that prevents some machines from running Microsoft Defender ATP Threat & Vulnerability Management successfully.
  • Fixes a problem that prevents Microsoft Defender ATP from applying file exclusions in some cases, which leads to application compatibility issues.
  • Addresses an issue in Microsoft Defender ATP that prevents some machines from reporting the installed applications to Threat & Vulnerability Management.
  • Fixes a problem that causes automatic investigations to fail in Microsoft Defender ATP.
  • Addresses an issue that prevents some applications from printing to network printers.
  • Fixes a problem that might cause a printer to be a hidden device in Device Manager after a restart.
  • Addresses an issue that might cause the Print Management console to display script errors when you enable the Extended View option.
  • Fixes a problem that causes printing to fail in certain scenarios.
  • Addresses an issue that might prevent internet connectivity on some cellular modems after upgrading to Windows 10, version 2004.
  • Fixes a problem that causes telephony applications to lose the first four digits.
  • Addresses an issue with in-memory parity bitmaps that can cause data integrity issues on Parity Storage Spaces.
  • Fixes a problem that might cause the Microsoft Remote Assistance process (msra.exe) to stop working when a user is receiving assistance during a computer session.
  • Improves Microsoft Defender ATP’s ability to identify malicious code injection activities.
  • Improves support for non-ASCII file paths for Microsoft Defender Advanced Threat Protection (ATP) Auto Incident Response (IR).

You can download the updates to install them manually for version 2004 with the links below:

Uninstall Windows 10 update KB4568831 to fix problems

If the KB4568831 update is causing issues on your device, you can always uninstall it to revert the changes.

To uninstall KB4568831 or any other quality update on Windows 10, use these steps:

  1. Open Start.

  2. Search for Command Prompt, right-click the top result and select the Run as administrator option.

  3. Type the following command to view the update history and press Enter:

    wmic qfe list brief /format:table
  4. Check the Windows Update history of your device, and identify the update by its HotFixID and InstalledOn information.

  5. Type the following command to uninstall the update from your computer and press Enter:

    wusa /uninstall /kb:4568831

    In the command, replace “4568831” for KB number that correspond to the update that you’re trying to remove. For instance, if you’re trying to uninstall update KB4568831, then the number that you can have to use in the command is “4568831.”

  6. Click the Yes button.

  7. Continue with the on-screen directions (if applicable).

Once you complete the steps, the recently installed update will be removed from your computer fixing any issues as a result of the release.

If your computer won’t boot after installing KB4568831, you can remove update from the Advanced startup environment using these steps.

Download July 2020 update for Windows 10

These updates won’t download automatically while they’re in preview, but you can always force them from Settings Update & Security > Windows Update and clicking the Check for updates button. If you’re downloading an optional update, then you’ll also need to click the Download and install option. You can find more details about the most recent updates in the Windows 10 update history tracker guide.