01
Security
Microsoft fixes Windows update bug that crashed games and apps using AC-3 audio
Affected users should install the October 2026 security update, which includes the fix for crashes caused by the September preview update.
Affected users should install the October 2026 security update, which includes the fix for crashes caused by the September preview update.
The rebuilt apps are meant to make Arm-based Windows laptops faster for creative work and more responsive in daily editing.
The update also closes three zero-days and marks the last security update for Windows 11 24H2 Home and Pro and Windows 10 Enterprise LTSB 2016.
Microsoft’s new AI-focused PCs and Windows 11 features point more work toward local, on-device use.
The change makes common settings and actions faster to reach from the taskbar, with Copilot gaining broader access in the months ahead.
KB5124010 can break older software that uses AC-3 audio decoding, and Microsoft has not given a fix date yet.
Affected virtual-desktop users may need a manual step to regain access, while enterprise customers have a mitigation.