Update KB5005101 has recently started to be made available by Microsoft for users of Windows 10 version 21H1, 20H2 and 2004. This patch coming to Windows Update is optional and is part of the Windows 2021 August 10 update cycle, i.e. you can wait for the September Patch Tuesday, which will include these same fixes, or apply the update now available from Microsoft in case a critical issue is affecting your computer.
Optional update KB5005101
As it is an optional update, this update that arrives for Windows 10 version 21H1, 20H2 and 2004 will not be automatically installed by Windows Update. For this patch to be applied, a user command will be required (the step-by-step instructions for carrying out the procedure will be provided below).
When installing update KB5005101, the operating system will advance to Windows 10 Build 19043.1202 in case of version 21H1. In the case of those who are running Windows 10 version 20H2 on the PC, they will receive Build 19042.1202. At the same time, in version 2004 we will have Windows 10 Build 19041.1202.
In this optional patch we have fixes in the Bluetooth profile called "Advanced Audio Distribution Profile" (A2DP), responsible for transmitting audio from one Bluetooth device to another (to learn more about Bluetooth headphones, access our article here). The issue I was experiencing was preventing Bluetooth headphones from connecting.
When you look for updates on Windows Update, you will see the following description on the screen:
"2021-08 Cumulative Update Preview for Windows 10 Version 21H1 for x64-Based Systems (KB5005101)"
Ou
"2021-08 Cumulative Update Preview for Windows 10 Version 20H2 for x64-Based Systems (KB5005101)"
How to download the update now
To get the performance improvements provided by the new Windows 10 update, follow these steps:
Step 01: Click on the Windows flag in the lower left corner to open the start menu.
Step 02: Select the gear symbol in the left corner under the column.
Step 03: Scroll down and select "update and security".
Step 04: Select "check for updates".
Step 05: Select "Download and Install" under updates.
Manually download and install update KB5005101
You can download KB5005101 update for Windows 10 (64-bit and 32-bit x86) manually here. When accessing the Microsoft Update catalog, you must select the "download" button next to the version of Windows 10 you want to download. Then, simply right-click on the link and select "save as" to start the download.
Update Summary for Windows 10 Update KB5005101 (Build 19043.1202)
Below you can see the main fixes and improvements made through the Windows 5005101 KB10 update:
- Fixes Bluetooth connectivity issues.
- Corresponds to página do Windows Update slow or corrupt.
- Fixes an issue that resets OneDrive sync.
- Fixes an issue affecting the copy and paste command in Microsoft 365 (formerly called Office 365).
- Fixes an issue that affects device stability.
With the KB5005101 update, Microsoft brought a fix for a bug that prevented users from accessing DCOM activation failures. In addition, a bug that crashed the Windows Remote Management (WinRM) service was also fixed. Another solution brought in this update is related to the Windows Management Instrumentation (WMI) provider host process crash.
Another bug fixed in this optional update for Windows 10 was a bug that caused the HDR displays to reset brightness when streaming with standard dynamic range (SDR) content. Also fixed the issue that caused a black screen after waking up from sleep mode (this error was also noticed on external monitors connected to a docking station).
Below are some more fixes made in this update:
- Microsoft fixed a memory leag bug caused by VBScript.
- Microsoft has fixed issues with the Windows out-of-box experience (OOBE) process.
- Microsoft fixed an issue that crashed applications when the device did not have edgegegdi.dll installed.
- Microsoft has fixed an issue that may cause your device to stop responding when you use touch input such as a touchpad or touchscreen
You may have noticed that Microsoft brought several bug fixes with this update. We also received a fix for issues related to Microsoft 365 (Office 365), resized images, USB headsets, authentication mechanism, ShellHWDetection service, Windows Defender exploit protection, and more.
Known issues arising with the latest optional update
As of this writing, Microsoft is aware of the following issues that have occurred in Windows 10 Build 19043.1202:
- A bug may affect the Japanese Input Method Editor (IME) feature when entering Kanji characters.
- Microsoft Edge (Chromium) may be missing if you reinstall the operating system using custom offline media or custom ISO image.
- Some devices cannot apply these Windows updates due to "PSFX_E_MATCHING_BINARY_MISSING" error message.
How to uninstall the update
In case you want to uninstall the cumulative update to resolve the issue. Follow the step by step below:
Step 01: Click on the Windows flag in the lower left corner to open the start menu.
Step 02: Select the gear symbol in the left corner under the column.
Step 03: Scroll down and select "update and security".
Step 04: Select the "View Update History" button.
Step 05: at the top of the screen click "Uninstall updates".
Step 06: Adjust the column with the names of the updates so that you can see the KB5005101 update.
Step 07: Select "Update to Microsoft Windows (KB5005101)" and click Uninstall.
Step 08: Restart the computer.
