[German]Microsoft has acknowledged two further serious problems with Windows 11 version 24H2 as of December 18, 2024 and has stopped the rollout on affected machines. These are systems that cause problems with Dirac audio output. And it is about the problem of players getting incorrect colors displayed or games no longer responding when using Auto HDR mode.
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Microsoft has published the relevant information on the Windows 11 Health Release status page in the Known Issues section.
Dirac Audio problems with cridspapo.dll
In the post Some devices that have Dirac Audio with cridspapo.dll might lose audio output, Microsoft states that after installing Windows 11, version 24H2, some users reported that their device's built-in speakers, Bluetooth speakers and Bluetooth headsets stopped working.
In addition, applications no longer recognized these audio devices. This problem is likely related to devices with Dirac Audio. Dirac Audio is a digital sound enhancement technology that improves the clarity and precision of audio.
Specifically, the problem is probably caused by the file cridspapo.dll, which is not compatible with Windows 11 24H2. The file cridspapo.dll is part of the audio processing software of these devices.
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Due to this audio issue, a compatibility block for upgrading to Windows 11 24H2 has been imposed on a limited number of devices containing Dirac Audio with cridspapo.dll. These devices will not be offered for installation of Windows 11, version 24H2 via the Windows Update channel until this issue is resolved.
Unmanaged computers running Windows Home or Pro edition will receive the message "The upgrade to Windows 11 is on its way to your device" when selecting the Check for Windows updates option under Windows Update in the Settings page. There is nothing that needs your attention at the moment. As soon as the update is available for your device, it will appear on this page." if a compatibility lock applies.
IT administrators using Windows Update for Business reports can check this issue with the protection ID 54283088. Microsoft is waiting for an updated driver from the manufacturer and will release the upgrade once a compatible driver version is installed. A manual upgrade to Windows 11 24H2 is not recommended.
Auto HDR problems with games
After installing Windows 11, version 24H2, gamers are finding that Auto HDR mode hangs games or displays colors incorrectly. Auto HDR is a Windows feature that enhances games by automatically converting SDR (Standard Dynamic Range) content to HDR (High Dynamic Range) content. Microsoft has published the support article Auto HDR might cause games to stop responding or display incorrect colors.
Microsoft has defined a compatibility lock for devices that have Auto HDR enabled. These devices will not be offered the installation of Windows 11, version 24H2, via Windows Update. IT administrators using Windows Update for Business reports can check this issue using the protection ID 55382406.
Microsoft writes that this problem can be prevented by disabling Auto HDR on the system. The following workaround is suggested:
- On the Settings page, go to the System > Display category and scroll down the page to select Graphics at the bottom.
To disable Auto HDR for all games, select the Default settings control option.
To disable Auto HDR for individual games, select the Custom settings option for applications and the corresponding game.
Microsoft is working on a solution and will release details as soon as they are known. A manual upgrade to Windows 11 24H2 is not recommended.
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