KB5005101 fixes many problems in Windows 10

Microsoft has released the update KB5005101 for devices with Windows 10 in versions 21H1, 20H2 and 2004 via Windows Update. For those who prefer to update their systems offline, the company also provided direct download links.

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Η KB5005101 is an optional update and you do not need to install it immediately through Windows Update. It does not include security patches so Windows Update will not install it automatically. However, it brings several fixes for stability and other improvements and will be included in the Patch Tuesday September.

The KB5005101 will upload your system version to Windows 10 Build 19043.1202 if you are using version 21H1 (May 2021 Update). For those who still use the 20H2 version, with the same patch can be found in Build 19042.1202. Similarly, the 2004 version raises the build number to 19041.1202.

This optional update addresses issues with Bluetooth A2DP connections, a feature that allows support for music playback.

If you check for updates today, the following update will appear on your screen:

2021-08 Cumulative Update Preview for Windows 10 Version 21H1 for x64-based Systems (KB5005101)


2021-08 Cumulative Update Preview for Windows 10 Version 20H2 for x64-based Systems (KB5005101)

To download the update .msu immediately try the following link from the Microsoft Update Catalog

Windows 10 KB5005101 Direct Download Links: 64-bit and 32-bit (x86).

Pay close attention to the updates listed and determine the correct version. Make sure the version number and bits of your operating system match that of the update.

You can open Settings - System - Info Windows 10 to view this information.


  • Fixes Bluetooth connectivity issues.
  • Fixes the slow or damaged Windows Update page.
  • Fixes an issue that resets synchronization for OneDrive.
  • Fixes an issue that affects the copy and paste command in Office 36.
  • Fixes an issue that affects the stability of the device.

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