KB4516421 update fixes a crucial audio issue in Windows 10

by Milan Stanojevic
Milan Stanojevic
Milan Stanojevic
Windows & Software Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He's a PC enthusiast and he... read more
Affiliate Disclosure
windows 10 update audio issues

To fix various Windows 10 errors, we recommend Fortect:
This software will repair common computer errors, protect you from file loss, malware damage, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove virus damage now in 3 easy steps:

  1. Download and Install Fortect on your PC
  2. Launch the tool and Start scanning to find broken files that are causing the problems
  3. Right-click on Start Repair to fix issues affecting your computer’s security and performance
  • Fortect has been downloaded by 0 readers this month.

Windows 10 version 1903 has a new non-security update that addresses a problem in which users are unable to use USB Audio 2.0 multi-channel microphones in many applications, such as Voice Recorder.

KB4516421 is a servicing stack update (SSU). These updates are important for enhancing the reliability of the entire update process. Therefore, Microsoft recommends installing this update before installing the cumulative update released on September 10 Patch Tuesday.

So, you receive KB4516421 automatically through Windows Update. Also, keep in mind that this update is not available on Microsoft Update Catalog.

Fix sound recording problems in Windows 10 like a true technician with the help of our guide!

Microsoft explains that there is no need to have this update in a certain patch because it will be automatically updated on affected operating systems and services.

It is worth mentioning that KB4516421 is available for Windows Server Update Services (WSUS) as well.

KB4516421 solves a recent audio issue

After installing the cumulative update KB4515384, many users encountered a major problem with the audio in gaming. Like any other cumulative update, the latest patch was designed to solve several problems in Windows 10 May 2019 Update.

As we can see, it made things worse. Fortunately, KB4516421 saves the day and solves the recent problem that prevents people to use USB Audio 2.0 multi-channel microphones in apps such as Voice Recorder.

Moreover, the culprit might be a compatibility change, though there are not many reports on the bug to confirm this.

How did you found this update? Did it solve the issue for you? Do let us know in the comments section below!



Still experiencing issues?


If the above suggestions have not solved your problem, your computer may experience more severe Windows troubles. We suggest choosing an all-in-one solution like Fortect to fix problems efficiently. After installation, just click the View&Fix button and then press Start Repair.

This article covers:Topics: