Windows 11 Update KB5065789 (OS Build 26100.6725): September 29, 2025 Preview

Monday, September 29, 2025

Windows 11 Update KB5065789 (OS Build 26100.6725): September 29, 2025 Preview

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On September 29, 2025, Microsoft released Windows 11 KB5065789, a non‑security preview update for version 24H2. This optional “C release” is intended for testing and validation. Its fixes and features will roll into the October 2025 Patch Tuesday cumulative update.

Key Details

  • OS Build: 26100.6725
  • Type: Optional non‑security preview (Release Preview)
  • Applies to: Windows 11, version 24H2
  • Release date: September 29, 2025

New Features and Improvements

AI Components

This update refreshes several AI modules used by Windows 11 features:

  • Image Search – v1.2509.1022.0
  • Content Extraction – v1.2509.1022.0
  • Semantic Analysis – v1.2509.1022.0
  • Settings Model – v1.2509.1022.0

File Explorer

  • Context menu icons updated for clarity.
  • Performance improvements when opening cloud files and loading context menus.
  • AI actions available on images (.jpg, .jpeg, .png):
    • Visual Search
    • Blur Background (Photos app)
    • Erase Objects (Photos app)
    • Remove Background (Paint)

Desktop & Taskbar

  • Hardware indicators (brightness, volume, airplane mode, virtual desktops) can now be repositioned via Settings > System > Notifications.
  • Taskbar pinning policy changes apply without restarting explorer.exe.

Windows Share

  • You can now pin favorite apps in the Windows Share window for quicker access.

Fixes

  • Corrected overlapping icons/text on the desktop when using increased text scaling.
  • Fixed mirroring issues in File Explorer panes when using right‑to‑left display languages (Arabic, Hebrew).
  • Addressed stability issues in Settings and File Explorer.

Security & Servicing Notes

  • Secure Boot Certificates: Certificates used by most Windows devices will begin expiring in June 2026. KB5065789 includes preparation steps to ensure devices remain bootable.
  • Servicing Stack Update (KB5067437): Improves the reliability of the Windows update process.

Known Issues

  • Protected Content Playback: Some Blu‑ray, DVD, and digital TV apps may fail to play DRM‑protected content after installing this update. Microsoft is investigating.
  • Update Reliability: KB5065789 also addresses a Windows Update failure (error 0x80070002) that affected some Insiders.

How to Get KB5065789

  • Windows Update: Go to Settings > Update & Security > Windows Update. Look under “Optional updates available.”
  • Microsoft Update Catalog: Standalone packages are available for manual installation.
  • Windows Update for Business: Features will roll into the October 2025 Patch Tuesday release.

Why It Matters

KB5065789 is part of Microsoft’s ongoing effort to integrate AI features directly into Windows 11’s core apps like File Explorer and Photos, while also preparing devices for long‑term security requirements such as Secure Boot certificate renewals. It also fixes regressions from earlier updates, including DRM playback issues and update reliability problems.

Conclusion

KB5065789 is an optional preview update for Windows 11 24H2. It introduces AI enhancements, File Explorer improvements, and desktop/taskbar tweaks. It fixes update reliability issues and prepares devices for Secure Boot certificate changes in 2026. Known issue: DRM playback problems in some apps.