Microsoft is currently working on resolving the known issue, with a fix to be delivered to affected systems in an upcoming release. The high-pitched noise issue only affects the Windows 10, version 20H2 and Windows 10, version 2004 client platforms. 'After installing KB5000842 or later updates, 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 explains on the Windows 10 Health Dashboard.Īs the company adds, the newly acknowledged issue does not occur on systems where stereo audio is used. Microsoft is working on resolving a high-pitched noise issue Windows 10 users hear when using some 5.1 audio configurations after applying recently released cumulative updates.