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KB Details - KB5121003
KB5121003
Important
⚠️ Yes
Title
August 11, 2026—KB5121003 (OS Builds 26200.9168 and 26100.9168) | Microsoft Support
Severity
Important
Known Issues
⚠️ Yes
Known Issues Count
1
Release Date
2026-08-11
OS Builds
26200.9168, 26100.9168
Known Issues Details
#1 - N/A Status: Investigating Symptoms: Inability to run certain games as expected after installing this update. Workaround: N/A Affected: Systems with drivers or software components with file names similar to inpoutx64.
Description
[N/A] Microsoft received reports of issues involving inability to run certain games as expected after installing this update. The issue is associated with certain peripherals or internal device components that support RGB lighting features. These devices might install drivers or software components with file names similar to inpoutx64.