windows 10 KB5043064 download

Today part of the September 2024 patch Tuesday update Microsoft has released Windows 10 KB5043064 and KB5043050 cumulative updates for versions 22H2 and 1809. The latest KB5043064 (OS build 19045.4894) for Windows 10 22H2 fixed a known issue causing apps to stop responding because of a memory leak in a Bluetooth device. Today’s update also addresses issues with Windows Installer, where User Account Control (UAC) would not prompt for credentials when repairing an application. It also addresses a system freeze that could happen when accessing symbolic links through the Bind Filter Driver. Additionally, this update refreshes Country and Operator Settings Asset (COSA) profiles for certain mobile operators.

Windows 10 KB5043064 is an important security update, and you should download and install the package as soon as possible. Microsoft has also published direct download links for Windows 10 KB5043064 offline installers to install it manually.

Windows 10 KB5043064 Release Summary:

  • KB Article: KB5043064 for version 22H2, KB5043050 for version 1809
  • OS Version: Windows 10 version 22H2 and version 1809
  • Build: OS Build 19045.4894, OS Build 17763.6293 (For version 1809)
  • Size: 660.2 MB (64 Bit) 375.6 MB (32 Bit), Download link
  • Release Date: September 10, 2024 Part of Microsoft patch Tuesday update.
  • What’s new: Fixes an issue causing apps to stop responding because of a memory leak in a Bluetooth device.

The full list of September 2024 Patch Tuesday updates for Windows 10:

Like previous Patch Tuesday releases, this Windows 10 update KB5043064 doesn’t come with any new features. Rather, the focus is on security, reliability improvements, and fixes across the board.

Note: Windows 11 was released as a free upgrade for eligible devices, check if your PC is eligible for the Windows 11 free upgrade

Windows 10 KB5043064 Download

Since Microsoft patch updates are mandatory updates, Windows 10 KB5043064 downloads and installs automatically. Once installed, you will need to restart the system for the changes to take effect.

To Download Windows 10 KB5043064 using Windows Update, follow the steps below:

  • Open Settings using Windows key + I. Click Update & Security then Windows Update.
  • In the right-hand pane, click on the Check for updates button. You will see the following patch, it automatically downloads and installs on your device.

2024-09 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5043064)

windows 10 KB5043064 download

Ensure your device is connected to stable internet to download update files from the Microsoft server. Once done you need to reboot your computer to apply changes.

Download Links for Windows 10 KB5043064

As usual, the patch can be installed from the Update Catalog as well here Windows 10 KB5043064 download Offline installer direct download links 64-bit and 32-bit (x86).

  • locate the patch next to the correct edition and version of the operating system.
  • To install the update, simply run the downloaded MSU file and Windows will automatically install the cumulative update.

So what exactly is Windows 10 KB5043064?

Today’s update is all about security fixes and improvements. On the release note, Microsoft noted, that Windows 10 KB5043064 addresses security issues for your Windows operating system.

This update resolves an issue with the Windows Installer, where the User Account Control (UAC) did not prompt for credentials when repairing an application. After applying the update, UAC will now request credentials during application repairs, adding an extra layer of security.

For users who prefer not to see the UAC prompt during repairs, you can disable it by setting the HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer\DisableLUAInRepair registry value to 1.

It also fixes a memory leak issue that could occur when closing a combo box with input focus in the Input Method Editor (IME).

Additionally, the Country and Operator Settings Asset (COSA) profiles have been updated for certain mobile operators, ensuring improved compatibility and functionality.

This update resolves a Bluetooth memory leak that could cause applications to become unresponsive.

Another key fix resolves a system freeze that could occur when accessing symbolic links through the Bind Filter Driver.

Finally, an issue with the Unified Write Filter (UWF) and Windows Management Instrumentation (WMI) was resolved, where API calls for system shutdowns or restarts were resulting in an “access denied” exception.

Windows 10 KB5043064 known issues

Microsoft has identified two known issues related to this update. After installation, users may encounter an error (0x80070520) when attempting to change their account profile picture through Start > Settings > Account > Your info. Additionally, users running a dual-boot configuration with Windows and Linux may experience problems booting into Linux after applying the update. Microsoft is actively working on solutions to these issues for future updates.

We recommend reading the complete changelog Microsoft support site here.

Uninstall Windows 10 KB5043064

If installing KB5043064 causes issues on your device you can uninstall the update to revert the changes.

Uninstall KB5043064 using the Windows Update History tool

  1. Go to Windows Settings (Windows key + I) –> Update & Security –> Windows Update.
  2. From the right-hand pane, click on View Update History.
  3. Now click on Uninstall updates.
  4. Select Update for Microsoft Windows (KB5043064) and press the Uninstall button.

Uninstall KB5043064 using command-line

Another quick way to uninstall this update is by using the command prompt. Here are the commands:

  1. Open Command Prompt (Run –> cmd)
  2. Run the following command:
    wmic qfe list brief /format:table
  3. This will show all the updates installed on the computer. Make sure KB5043064 is on the list.
  4. To uninstall the update, run the following command
    wusa /uninstall /kb:5043064

The system needs to be restarted after uninstalling the update.

In addition, Microsoft has noted Windows 10 version 21H2 reached end of service means devices no longer receive monthly security and quality updates that contain protection from the latest security threats. Microsoft recommends Install the latest version 22H2 or upgrade to Windows 11

Windows 10 KB5043050 what’s new?

KB5043050 (OS Build 17763.6293) for Windows 10 version 1809 also brings a few bug fixes and improvements.

It addresses an issue with AppContainer, where printers may not function as expected in restricted environments like AppContainer. Additionally, the update resolves a BitLocker issue, where users may be unable to decrypt a data drive when moving it from a newer Windows version to an older one.

The update fixes a problem where the User Account Control (UAC) did not prompt for credentials during application repairs. After applying this update, UAC will prompt for credentials, which may require updating automation scripts and adding the Shield icon to indicate processes needing full administrator access. To disable the UAC prompt, set the HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer\DisableLUAInRepair registry value to 1.

A known issue affecting Windows Servers has been addressed, which previously disrupted Remote Desktop connections when using legacy protocols like Remote Procedure Call over HTTP. The update resolves the intermittent session drops that occurred approximately every 30 minutes. IT administrators can now expect improved stability, as the issue with the TSGateway service, which previously stopped responding with exception code 0xc0000005, has been fixed.

The update also resolves a known issue where some devices experienced slowdowns, unresponsiveness, or high CPU usage, particularly related to Cryptographic Services. This problem, which occurred when antivirus software scanned the %systemroot%\system32\catroot2 folder during Windows updates, has been addressed, leading to better performance and stability.

Microsoft report one known issue, After installing this security update, you might face issues with booting Linux if you have enabled the dual-boot setup for Windows and Linux in your device.

If you experience problem installing Windows 10 updates or the update stuck download here are a few solutions.

Also read:

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Steve Ballmer
Steve Ballmer
With over 7 years of experience in the IT industry, I have experience in IT support, helpdesk, sysadmin, network admin, and cloud computing. Certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching.

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