KB5075897 : addresses an issue where folder renaming with desktop.ini files in File Explorer

February 10, 2026—KB5075897 (OS Build 25398.2149)

Improvements
This security update contains fixes and quality improvements from KB5073450 (released January 13, 2026), KB5077792 (released January 17, 2026), and KB5078133 (released January 24, 2026). The following summary outlines key issues addressed by this update. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.

• ​​​​​​[File Explorer] Fixed: This update addresses an issue where folder renaming with desktop.ini files in File Explorer isn't work correctly. The LocalizedResourceName setting is ignored, so custom folder names don't appear.
• [Fonts & Display] Updates the Chinese fonts to support the GB18030‑2022A standard for character coverage and display.
• [Graphics] Fixed: This update addresses an issue where certain GPU configurations might recently have experienced a system error related to dxgmms2.sys, resulting in the KERNEL_SECURITY_CHECK_FAILURE error.
• [Windows Security] Fixed: This update addresses an issue that affected Microsoft Defender SmartScreen Application Reputation (AppRep) events from being logged. This interrupted event tracking used for advanced threat investigations.