As Microsoft has confirmed, the cumulative updates from Patchday May can interfere with the audio output of 5.1 systems under Windows 10. The updates KB5003173, KB5001391, KB5001330 and KB5000842 are affected, the installation of which may lead to high-frequency noise and sound dropouts.
Users report on Sound problems
In addition, after installing the cumulative updates, the playback volume can be significantly reduced both in the web browser and in games, as the Windows Latest website first reported.
Microsoft itself has it A corresponding note has already been made in the release notes of the updates.
After installing this update, 5.1 Dolby Digital audio may play containing a high-pitched noise or squeak in certain apps when using certain audio devices and Windows settings.
Microsoft
According to Microsoft, only systems that output sound via 5.1 and Dolby Digital are affected. According to Windows Latest, users are reporting random problems in games and Microsoft Edge.
On Reddit, the problem has been confirmed by several users who previously applied the cumulative update KB5003173 for Windows 10 Version 2009 (“20H2”) and version 2004 installed.
Problems with group guidelines
Windows 10 version 20H2 and version 2004 are affected by the problem the cumulative update KB5000842, released in March, KB5001330 and KB5001391, released in April, and KB5003173, released in May.
After installing the updates mentioned, it can also occasionally Problems with the group policy under Windows 10.
Users who are affected by problems with the audio output can either manually uninstall the cumulative update or the surround sound for the corresponding output Deactivate.
Activating and deactivating the sound effects can also fix the problem.
It can be assumed that Microsoft resolved the problem with the upcoming cumulative updates for the next Patc hday on June 8th.