Microsoft Windows 11 25H2 Update Version OS Builds 26200.7705 and 26100.7705

KB5074105 updates Windows 11 25H2 and 24H2 with quality, reliability, and feature improvements for OS Builds 26200.7705 and 26100.7705. It adds Cross-Device Resume, Windows MIDI Services, and several accessibility and Settings enhancements, while fixing Start menu, File Explorer, UAC, Windows Update, and other issues. Reference IDs: KB5074104.

• Adds DPAPI domain backup key management so administrators can control automatic key rotation, strengthening cryptographic security.
• Updates Secure Boot boot manager files on devices with the Windows UEFI CA 2023 certificate; resetting the Secure Boot database or toggling Secure Boot can trigger a Secure Boot violation.

• Fixes Start menu issues, including cut-off shutdown warnings and incorrect opening position in Arabic or Hebrew layouts.
• Fixes Windows Update getting stuck when joining the Windows Insider Program from Settings.
• Improves lock screen responsiveness and File Explorer responsiveness in network locations.
• Fixes Explorer.exe hanging at first sign-in when startup apps are configured, which could prevent the taskbar from appearing.
• Fixes Windows Sandbox startup hangs with error 0x800705b4.
• Fixes desktop icons moving unexpectedly when opening or renaming files.
• Fixes reversed keyboard character repeat delay labels in Settings.
• Fixes Windows Terminal hanging when launched elevated from a non-admin account.
• Fixes black screen issues in isolated multiuser environments and GPU-related dxgmms2.sys crashes causing KERNEL_SECURITY_CHECK_FAILURE.
• Fixes Narrator not starting during Windows installation from ISO media.
• Fixes iSCSI boot failures that could produce an Inaccessible Boot Device error.
• Fixes folder renaming issues in File Explorer when desktop.ini custom names are used.
• Fixes the missing Password icon in Sign-in options after KB5064081 or later updates.
• Fixes a mobile device side panel setting issue in Start menu.

• Adds Cross-Device Resume for continuing Android activities on a PC, including Spotify, Microsoft 365 apps, and supported browser sessions.
• Adds Windows MIDI Services improvements for MIDI 1.0 and MIDI 2.0, including shared ports, custom port names, loopback, and app-to-app MIDI.
• Adds more languages for the Settings Agent on Copilot+ PCs.
• Adds Narrator controls for customizing spoken control details and order.
• Adds a streamlined Voice Access setup flow.
• Adds a Voice Typing wait-time setting before commands execute.
• Adds Smart App Control on/off management without a clean install requirement.
• Adds a Device card on the Settings home page.
• Adds a UAC prompt when opening Storage settings.
• Simplified Windows update titles are introduced to make update names easier to read.

• Release date: 2026-01-29.
• Applies to Windows 11 version 25H2 and 24H2.
• If installing the Windows MIDI Services App SDK and Tools package, note that it is a separate download and is currently unsigned, which may trigger a security warning.
• For Windows 11 version 24H2, the Secure Boot update replaces the 2011-signed bootmgfw.efi with the 2023-signed version on eligible devices.
• Microsoft states that if earlier updates are already installed, only the new updates in this package will be downloaded and installed.
• Microsoft reports no known issues for this update.

Product Information

Vendor: Microsoft

Product: Windows 11

Version: OS Builds 26200.7705 and 26100.7705

Release date: Jan 29, 2026