Microsoft has claimed that one long-running audio issue in Windows 11 24H2 have been resolved in the latest Windows 11 monthly update. Microsoft had a compatibility safeguard hold applied to a limited set of devices from one manufacturer due to an audio issue following the installation of Windows 11, version 24H2.

This issue was observed on some devices containing Dirac Audio with the cridspapo.dll file. The incompatibility relates to the software component cridspapo.dll, which is part of these devices’ audio processing software. Dirac Audio is a digital sound improvement technology that enhances audio clarity and precision.

Some devices that have Dirac Audio with cridspapo.dll might lose audio output

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Status Originating update History
Resolved N/A

Resolved: 2025-09-12, 12:41 PT
Opened: 2024-12-18, 10:34 PT
A compatibility safeguard hold has been applied to a limited set of devices from one manufacturer due to an audio issue following the installation of Windows 11, version 24H2. This issue was observed on some devices containing Dirac Audio with the cridspapo.dll file. The incompatibility relates to the software component cridspapo.dll, which is part of these devices’ audio processing software. Dirac Audio is a digital sound improvement technology that enhances audio clarity and precision.

After installing Windows 11, version 24H2, some users reported that their device’s integrated speakers, Bluetooth speakers, and Bluetooth headsets stopped functioning. They also reported that both first-party and third-party applications didn’t recognize these devices.

To prevent you from encountering this audio issue, we have applied a compatibility hold on devices containing Dirac Audio with cridspapo.dll. These devices will not be offered to install Windows 11, version 24H2 via the Windows Update channel until this issue is resolved. IT administrators using Windows Update for Business reports can check this issue using its safeguard ID: 54283088.

If you are using a Windows Home or Pro edition as your personal device, you can check whether your device has this or other safeguard holds applied. Go to Start > Settings >Windows Update > select Check for Windows updates. If your device has a compatibility hold, you will see the message “Upgrade to Window 11 is on its way to your device. There is nothing that requires your attention at the moment. Once the update is ready for your device, you’ll see it available on this page.” This message will be followed by the link “Learn More”, which will direct you to website listing safeguards applicable specifically to your device. For more information, see KB5006965.

Resolution: A new version of the driver has been made available via Windows Update, which addresses this issue. We recommend you install the latest security update for your device as it contains important improvements and issue resolutions, including this one.

The safeguard hold has been removed as of September 11, 2025. Eligible devices with no other safeguard hold should now be able to install Windows 11, version 24H2 via the Windows Update release channel. Please note, it can take up to 48 hours before the update to Windows 11, version 24H2 is offered. Restarting your device might help it offer faster.

Affected Platforms:

Client: Windows 11, version 24H2
Server: None