Windows 10 KB5005611 (21H1) released with major fixes

Windows 10 KB5005611 update

KB5005611 is now available for Windows 10 21H1, version 20H2
(October 2020 Update), and version 2004. This update is rolling
out via Windows Update and WSUS for business, but Microsoft has
also published direct download links for Windows 10 KB5005611
offline installers.

Windows 10 KB5005611 is an optional update, so it won’t
download or install unless you manually select the update and
click on the “Download and install” option. This patch does not
include security fixes, but it does come with a long list of
general improvements and bug fixes.

KB5005611 will bump version 21H1 system to Windows 10 Build
19043.1266. On the other hand, version 20H2 (October 2020
Update) will get Windows 10 19042.1266. Similarly, this
cumulative preview update will appear as Build 19041.1202 on
devices still running Windows 10 version 2004.

Remember that support for Windows 10 version 2004 is ending in
December and Microsoft will stop releasing optional updates

On your devices, when you check for updates today, the
following update will appear on your screen:

2021-09 Cumulative Update Preview for Windows 10
Version 21H1 for x64-based Systems (KB5005611)


2021-09 Cumulative Update Preview for Windows 10
Version 20H2 for x64-based Systems (KB5005611)

To download and install Windows 10 Build 19043.1266, use these

  • Visit the Windows Update page via Windows Search or
    Settings (Updates & Security).
  • Click on “check for updates” and keep checking for updates
    until you see a new optional patch.
  • Under the optional update, click on the “Download and
    install” button.
  • Select “restart now” to apply the improvements and fixes.

Download Links for Windows 10 KB5005611

Windows 10 KB5005611 Direct Download Links: 64-bit and
32-bit (x86).

Using the above link, you can find the offline installers on
Microsoft Update Catalog. These standalone installers (.msu)
files will allow you to install the update without an active
internet connection, and the same installer can be used on any

However, make sure that you download the .msu file compatible
with the edition, version and processor of Windows 10. You can
verify the configuration under  Settings > System >

Once done, click the Download button to open a new download
window with a link to the .msu file. In Chrome, you need to
copy and paste the .msu link in another tab. In Microsoft Edge,
simply click on the link to start the download.

Windows 10 KB5005611 (Build 19043.1266) Full Changelog

  1. Fixes News and Interests issues.
  2. Fixes issues with Outlook app and add-in.
  3. Fixes an issue that forces News and Interests widget on the
  4. Fixes system crashes.
  5. Fixes sound distortion when recording using digital

With today’s cumulative update, Microsoft has finally fixed an
issue that crashes apps like Outlook when browsing emails or
calendars synced to the account. Additionally, a bug has been
fixed where Outlook add-in could prevent users from typing a
reply in other Windows apps.

KB5005611 update

Microsoft is also looking into News and Interests issues. After
applying this update, News and interests should no longer
appear blurry when you use certain screen resolutions or
scaling option.

Additionally, a bug has been fixed where the system clock could
display incorrect time when you’ve daylight saving time (DST)
change enabled.

Microsoft has also fixed a bug that causes your device to stop
working when you restart the system after normal use. Another
bug has been fixed where taskbar apps may not work when the
taskbar is not pinned to the bottom of the screen (default

Additionally, Windows 10 Build 19043.1266 delivers a fix for a
bug when sharing protected content using apps like Microsoft
Teams. After the update, protected content, such as digital
rights management (DRM) media, will appear blank for everyone.
Previously, DRM content appeared transparent for some users.

The patch also comes with these bug fixes:

  • Microsoft has fixed an issue where Windows couldn’t
    remember the state of NumLock after the system reboot.
  • Microsoft has fixed an issue that causes a memory leak in
  • Microsoft has fixed the Blue Screen of Death errors.

Microsoft is currently not aware of critical issues in the
update, but you can always
uninstall Windows 10 update using Command Prompt or
Settings if you come across a new bug.

For Windows 11,
Microsoft has released a separate update with quality
improvements and bug fixes.

About the Author: admin

i am as a writer and blogger...

Leave a Reply

Your email address will not be published. Required fields are marked *