Windows 11 optional update fixes L3 caching issue affecting AMD Ryzen CPUs

Ryzen 5
Ryzen 5 (Image credit: Windows Central)

What you need to know

  • Windows 11 has an optional update that includes a fix for an L3 caching issue that affects AMD Ryzen processors.
  • The update also includes a long list of other fixes and improvements.
  • AMD recently fixed a separate issue affecting Ryzen CPUs running Windows 11.

An optional update for Windows 11 includes a fix for an L3 caching issue that can worsen the performance of PCs with AMD Ryzen CPUs. The update brings PCs to Windows 11 version 22000.282 and includes a long list of fixes and improvements.

Earlier this week, AMD released a chipset driver to fix a separate issue affecting AMD CPUs running Windows 11. With both of these fixes now available, PCs with AMD chips should run as expected when running Windows 11.

Here are the highlights of the optional update for Windows 11 (KB5006747):

  • Updates an issue that causes Internet Explorer to stop working when you type certain characters in the Input Method Editor (IME).
  • Updates an issue that occurs when you try to rename a file in File Explorer using the new Japanese IME.
  • Updates an issue that might distort the sound captured by voice assistants.
  • Updates an issue that sometimes causes your lock screen background to appear black if you have set up a slideshow of pictures as your lock screen background.
  • Updates an issue that might cause your Bluetooth mice and keyboards to respond slower than expected.
  • Improves the time estimate for how long you might wait to use your device after it restarts.
  • Updates an issue that might prevent you from using the Xbox Game Bar recording features.
  • Updates an issue that causes some applications to run slower than usual after you upgrade to Windows 11 (original release).
  • Updates an issue that prevents Narrator and other screen readers from announcing when the Start menu is open in certain cases.
  • Updates an issue in that prevents the search window from appearing on a secondary monitor.
  • Updates an issue that prevents you from opening multiple instances of an app using Shift and clicking on the app's icon in the taskbar.
  • Updates the visual design and animations of the Chat icon on the taskbar.
  • Updates an issue for a small number of users that prevents the Start menu from working and prevents you from seeing the updated taskbar after upgrading to Windows 11 (original release).

The full list of improvements and fixes is multiple pages long. For those with PCs running on AMD Ryzen CPUs, the following fix is most relevant:

  • Addresses an L3 caching issue that might affect performance in some applications on devices that have AMD Ryzen processors after upgrading to Windows 11 (original release).

You can read the complete list of fixes and improvements on Microsoft's website.

As this is an optional update, people need to seek it out to receive it. PC owners can go through the Settings app and search for an update or grab the update through the Microsoft Update Catalog. Waiting until next month is also an option, as the upcoming Patch Tuesday update should include all of these fixes.

Sean Endicott
News Writer and apps editor

Sean Endicott brings nearly a decade of experience covering Microsoft and Windows news to Windows Central. He joined our team in 2017 as an app reviewer and now heads up our day-to-day news coverage. If you have a news tip or an app to review, hit him up at