Windows 11 AC-3 Audio Bug Crashes Legacy Apps Across 24H2, 25H2, and 26H2
Microsoft confirmed that the September 2026 Windows 11 update KB5124010 causes crashes in legacy applications and games using Dolby Digital AC-3 audio decoding. The issue affects Windows 11 versions 24H2, 25H2, and 26H2, with no immediate fix available.