Microsoft has actually repaired a recognized problem that triggered video games and Windows 11 apps utilizing AC-3 (Dolby Digital)audio decoding to crash after setting up the September 2026 sneak peek upgrade (KB5124010).
While KB5124010 is an optional upgrade that needs clicking a “Download and install” link (lowering the variety of possibly impacted Windows users), it sets up instantly on gadgets where the “Get the latest updates as soon as they’re available” alternative is toggled on.
“In some cases the application can fail to launch, or close without warning. In other cases the application will work normally until certain features are used, such as playing music,” Microsoft stated when it acknowledged this concern 2 weeks back. “Affected applications may vary and can include games, media players, and certain productivity applications.”
It included that numerous contemporary apps that do not utilize Windows’ integrated audio translating for this type of encoding aren’t impacted, and that contemporary apps that utilize the tradition AC-3 codec typically include their own audio deciphering elements.
In a brand-new upgrade to the Windows release health control panel, Microsoft stated the KB5127648 October 2026 Patch Tuesday upgrade addresses this recognized problem and encouraged impacted users to install it on impacted systems running Windows 11 24H2 and later on.
“We recommend you install the latest security update for your device as it contains important improvements and issue resolutions, including this one,” it stated
Over the last a number of years, Microsoft has actually fixed numerous other audio problems affecting numerous software application and Windows parts.
2 years ago it validated a bug that triggered video game audio to suddenly dive to complete volume when utilizing USB DAC stereo and obstructed Windows 24H2 upgrades on gadgets with incompatible Intel Smart Sound Technology (SST) audio chauffeurs since of blue screen of death (BSOD) problems.
In 2015, in January 2025, Microsoft resolved a comparable concern that activated audio playback issues on Windows 11 24H2 systems with USB audio gadget motorists and raised a protect hold avoiding upgrades since an incompatibility problem triggered Bluetooth headsets and speakers to malfunction on systems with Dirac audio enhancement software application.
More just recently, in September, Microsoft launched emergency situation updates to repair another bug that set off USB audio concerns after setting up the September 2026 KB5124008 and KB5124012 security updates.
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