![]() You can launch the troubleshooter from Fix sound or audio problems in Windows by selecting the Open Get Help button in the article. ![]() The Windows audio or sound troubleshooter might be able to resolve the issue for you.If you have already installed the update and are experiencing issues with audio on all apps, you can try the following to mitigate the issue: Caching the MMDevice ID is not recommended and might require reinstallation of the affected app or contacting support for the developer of the app for how to resolve the issue when audio endpoints are reinitialized and have new MMDevice IDs. If the device settings within the app are as expected, the apps might be caching the Windows Multimedia Device (MMDevice) ID.Audio endpoints might be reinitialized after KB5015878 is installed and some apps might set the audio devices for microphone and speakers to default. Verify that the audio devices set within those apps are the expected devices. ![]() If only certain apps are impacted, you can try the following to mitigate the issue: If you are using any advanced audio applications such as Open Broadcaster Software (OBS), it is recommended that you backup all your settings before installing the update.If there are updated drivers available on Windows Update or from your Windows device manufacturer’s (OEM) webpage, installing them might prevent this issue. Updating your audio device driver (also called “sound drivers” or “sound card drivers”) might prevent this issue.If you have not yet installed the update, you can do the following to prevent the issue: Workaround: This issue can be mitigated differently depending on your symptoms and if you have installed the update already. Most affected audio devices drivers have the “audio enhancements” setting disabled before installing KB5015878 or the sound device driver has issues with the “audio enhancements” feature. Some affected Windows devices might have no audio, but other affected Windows devices might only have issues on certain ports, certain audio devices or only within certain applications. Microsoft is working to provide resolution for these issues.Īfter installing KB5015878 or later updates, some Windows devices might have issues with audio not working. Check all the details provided by Microsoft about the issues below. Update installation failure issues have arisen after installation of update KB5012170. The audio issue faced by Windows 10 PCs is seen after installing KB5015878 or later updates. Server: Windows Server 2022 Windows Server, version 20H2 Windows Server 2019 Windows Server 2016 Windows Server 2012 R2 Windows Server 2012.Client: Windows 11, version 21H2 Windows 10, version 21H2 Windows 10, version 21H1 Windows 10, version 20H2 Windows 10 Enterprise LTSC 2019 Windows 10 Enterprise LTSC 2016 Windows 10 Enterprise 2015 LTSB Windows 8.1.Next steps: We are presently investigating and will provide an update in an upcoming release. Workaround: This issue can be mitigated on some devices by updating the UEFI bios to the latest version before attempting to install KB5012170. Note: This issue only affects the Security update for Secure Boot DBX ( KB5012170) and does not affect the latest cumulative security updates, monthly rollups, or security only updates released on August 9, 2022. When attempting to install KB5012170, it might fail to install, and you might receive an error 0x800f0922. Update might fail to install and you might receive a 0x800f0922 error Next steps: We are working on a resolution and will provide an update in an upcoming release. If you want to manually resume BitLocker to verify that it is enabled, use the following command: Manage-bde -protectors -Enable %systemdrive% BitLocker should automatically be enabled after two boots. Install the update KB5012170, if not already installedĥ. Run the following command from Administrator command prompt: Manage-bde -protectors -disable %systemdrive% -rebootcount 2Ģ. To temporarily suspend BitLocker, or to avoid a BitLocker recovery when deploying KB5012170, follow these steps:ġ. Important: If you have restarted your device two times or more after installing KB5012170, your device is not affected by this issue If you have installed KB5012170 and have not yet restarted your device or have only restarted your device once, temporarily suspend BitLocker using the instructions below. If you have not installed KB5012170 yet and have BitLocker enabled on your device, follow the instructions below to temporarily suspend BitLocker before installing.
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