How to fix Windows 10 broken audio after installing KB5015878

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Updated onAugust 23, 2022

updated onAugust 23, 2022

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Key notes

As we all know by now, updates that are meant to fix certain issues that we might have with our systems, actually end up breaking it even more sometimes.

Yes, we are talking about Microsoft and some of the fix patches that they release, which break other stuff while fixing what they were meant to.

And, since we were on the topic, judging from the latest update from the Redmond tech giant,postedon the Windows Health Dashboard website, there are some problems after installingKB5015878.

KB5015878 comes with nasty audio bug for Windows 10

Microsoft has therefore officially acknowledged this issue, shared workarounds for the affected users, and applied the Known Issue Rollback System (KIR) to prevent the bug from spreading.

Redmond developers said that the newest known bug in Windows 10 affects machines differently, so you might be experiencing different symptoms.

Some Windows 10 users stated that they have a complete audio blackout, while others only have working audio on certain ports, devices, or applications.

The tech giant reveals that the affected audio drivers actually have the audio enhancements setting disabled before installing KB5015878.

Another variant shared by the company is that the sound device driver has issues with the audio enhancements feature.

Thus, in order to prevent the problem from spreading, Microsoft applied theKnown Issue Rollbacksystem that can undo problematic changes without any action required from the end user.

You should also know that this time, KIR only ensures the bug will not affect other systems, just in case you were wondering.

Users that already have audio issues on Windows 10 after installing the above-mentioned update should definitely apply one of the three workarounds that Microsoft shared.

How can I fix my Windows 10 audio not working?

If you have not yet installed the update, you can do the following to prevent the issue:

If only certain apps are impacted, you can try the following to mitigate the issue:

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:

Please keep in mind that the above-mentioned audio bug that came with KB5015878 affects only Windows 10 versions 20H2, 21H1, and 21H2 users.

That being said, it should not cause any sort of problems for Windows 11 users, just like the recently confirmed BitLocker recovery bug does not affect Windows 10 customers.

With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low#

Copilot in Outlook will generate personalized themes for you to customize the app#

Microsoft will raise the price of its 365 Suite to include AI capabilities#

Death Stranding Director’s Cut is now Xbox X|S at a huge discount#

Outlook will let users create custom account icons so they can tell their accounts apart easier#

How to fix Windows 10 broken audio after installing KB5015878#

KB5015878 comes with nasty audio bug for Windows 10#

How can I fix my Windows 10 audio not working?#

With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low

Copilot in Outlook will generate personalized themes for you to customize the app

Microsoft will raise the price of its 365 Suite to include AI capabilities

Death Stranding Director’s Cut is now Xbox X|S at a huge discount

Outlook will let users create custom account icons so they can tell their accounts apart easier

How to fix Windows 10 broken audio after installing KB5015878

KB5015878 comes with nasty audio bug for Windows 10

How can I fix my Windows 10 audio not working?