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Applications which require AC-3 audio decoding might close unexpectedly

Microsoft lists this known issue for 3 Windows versions; its status is Resolved KB5127648. It started with KB5124010. Microsoft resolved it in KB5127648.

Resolved KB51276481 version

Facts

Microsoft id
3781
Status
Resolved KB5127648
Products
Windows 11, version 24H2, Windows 11, version 25H2, Windows 11, version 26H2
Versions
Windows 11, version 24H2, Windows 11, version 25H2, Windows 11, version 26H2
Originating KBs
KB5124010
Resolved by
KB5127648
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Windows known issues · open the original at Microsoft

Status per Windows version

VersionStatusOriginating updateOpenedResolved
Windows 11, version 26H2Resolved KB5127648OS Build 26300.9550, KB5124010, 2026-09-222026-10-08 23:29 UTC2026-10-13 17:00 UTC
Windows 11, version 25H2Resolved KB5127648OS Build 26200.9550, KB5124010, 2026-09-222026-10-08 23:29 UTC2026-10-13 17:00 UTC
Windows 11, version 24H2Resolved KB5127648OS Build 26100.9550, KB5124010, 2026-09-222026-10-08 23:29 UTC2026-10-13 17:00 UTC

Microsoft says

Following installation of Windows updates released September 22, 2026 (KB5124010), and later, some applications which require the decoding of AC-3 (Dolby Digital) audio might close…

Windows known issues,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    As first seen: Resolved KB5127648
    Status
    Resolved KB5127648

    Seen by us · Microsoft's timestamp · Microsoft's page

Mentioning the same Microsoft ids

Last updated