KB5034857 Windows 11 Build 22635.3276 23H2 rolled out to Beta Insider

Windows 11 Insider Preview Build 22635.3276 KB5034857 LCU changes, fixes, known issues, download link, and the ways to install.

A build having fixes for problems with Nearby sharing, incorrect device names, Task Manager reliability, search highlights icon, and improvements in Copilot for Windows arrived at Beta channel insider. Cumulative update KB5034857 brings this build and increases the 23H2 version number to Windows 11 Insider Preview Build 22635.3276.

Full name of this release is “Cumulative Update for Windows 11 Insider Preview (10.0.22635.3276) (KB5034857)”. The precise build number is 10.0.22635.3276.ni_release_svc_betaflt_prod1.240226-0851. Windows Insiders in the Beta Channel will now be on the same build (Build 22635.xxxx) via an enablement package. To get features gradually rolled out to you, navigate to Settings > Windows Update and turn on “Get the latest updates as soon as they’re available”.

KB5034857 Windows 11 Build 22635.3276

Windows 11 Build 22635.3276 KB5034857 changes, bug fixes, improvements, and the ways to install

Here is the changelog:

Resolutions gradually being pushed to the Beta Channel

Nearby Sharing

  • KB5034857 LCU fixed devices with long names weren’t shown in nearby sharing problem.
  • Windows 11 Build 22635.3276 fixed device names that may unexpectedly show “????” instead of the name.

Task Manager

  • The build fixed an issue that affects Task Manager reliability.

Improvements and changes gradually being pushed to everyone in the Beta Channel

Copilot in Windows

  • The company is trying to add a new hover experience for Copilot in Windows which will open the Copilot pane on moving the cursor over its icon. The pane will close unless interacted. Beta Channel builds will be getting this change slowly over the next few weeks.

Fixes for everyone in the Beta Channel


  • KB5034857 fixed the search highlights icon in the taskbar that could get out of sync with the search highlights for the day.

Known issues

  • MDAG for Microsoft Edge users may encounter a no network connection issue when browsing inside the application guard. The solution is to turn off the MDAG enterprise policy or uninstall MDAG through Turn Windows Features on and off and restart.
  • The company is working on a fix for an increase in explorer.exe crashes for Insiders in the Beta Channel after the previous flight.

How to download KB5034857 Windows 11 Build 22635.3276

Go to “Settings > Windows update” and click on “Check for updates”.

When the build is completely downloaded, click on “Restart now”.

Alternatively, navigate to this page and download Windows 11 Insider Preview Build 22635.3276 ISO file.

Finally, create a bootable media using the file then clean install the build.

Source: Windows blog.

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Topics:  Windows Insider
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.