September 2021 Patch Tuesday Update for Windows 10 is now available. Microsoft releases KB5005565 cumulative updates for all supported versions of Windows 10 as a mandatory update that solves a PowerShell bug and more.
KB5005565 is a critical update, rolling out to Windows 10 versions 2004, 20H2, and 21H1 bringing the builds number to 19041.1237, 19042.1237, and 19043.1237 respectively. For more information, and to download the offline installer for KB5005565, continue reading more.
As you already know that Windows 10 is a service, it gets better through periodic software updates via the Windows Updates. If you have already enabled the automatic updates, its automatically downloads and updates all or most of the updates.
There are some updates that Microsoft feels like an unimportant one but good to have. Microsoft marks those as an Optional Update and that requires user intervention to download and install. The latest Windows 10 cumulative update (KB5005565) is one of them.
As the Windows 10 versions 21H1, 20H2, and 2004 share a common core operating system and an identical set of system files, this update comes to all those listed operating system versions.
Windows 10 update KB5005565 for versions 21H1, 20H2 and 2004
Windows 10 update KB5005565 comes with the following fixes and improvements:
- Addresses an issue that causes PowerShell to create an infinite number of child directories. This issue occurs when you use the PowerShell Move-Item command to move a directory to one of its children. As a result, the volume fills up and the system stops responding.
- Updates a rare condition that causes Bluetooth headsets to only work for voice calls.
- Updates an issue that provides the wrong Furigana result when you cancel the Japanese reconversion.
- Updates an issue that resets syncing for Microsoft OneDrive to “Known folders only” after you install a Windows update.
- Updates an issue that prevents audio headsets that connect to a device using USB from working if the device has certain third-party audio drivers.
- Updates an issue with resizing images that might produce flickering and residual line artifacts.
- Updates an issue that prevents you from typing any words in the username box during the out-of-box experience (OOBE) process. This issue occurs when you use the Chinese Input Method Editor (IME).
- Updates an issue with copying and pasting a text box into Office 365 apps. If you use an IME, you won’t be able to insert text into the text box.
- Updates an issue that might cause your device to stop working when making a touch input gesture. This issue occurs if you bring more fingers into contact with the touchpad or screen during the middle of the gesture.
- Updates an issue that might cause an external monitor to display a black screen after Hibernation. This issue might occur when the external monitor connects to a docking station using a certain hardware interface.
- Updates an issue that resets the brightness for standard dynamic range (SDR) content on high-dynamic-range (HDR) monitors. This occurs after you restart your device or reconnect to the device remotely.
How to download KB5005565 update (offline installer) for Windows 10
If your Windows Update service is enabled, you should have received this update notification. If not, open the Windows 10 Settings app, navigate to Windows Update and click the "Check for Updates" button. Then click the "Install Now" button to start downloading the Windows 10 update KB5005565.
If you own multiple Windows 10 devices or if you would like to patch the systems manually, you can download the offline installer by clicking here. This is an official direct download link for Windows 10 KB5005565 update.
Do note that it is recommended to download Windows 10 update KB5005565, as it fixes 60 security vulnerabilities that include a Windows MSHTML zero-day vulnerability tracked as CVE-2021-40444.