KB5009546 Windows 10 1607 Build 14393.4886

The first security update of the Year 2022 is now available for Windows 10 version 1607 under the name “KB5009546”. Installing this patch update will upgrade your existing OS Build to 14393.4886. Apart from getting an error code 0xC004F074, this is quite a good update to go for on your device. 

This update addresses a few key issues that were occurring for a long time like – Error 0xFFFFFFFF, searchindexer.exe issue, etc. Let’s explore the key highlights of this cumulative update, known issues, and how to get this update in detail –

KB5009546 Windows 10 1607 Changelog

Here are the key fixes and improvements that came with Jan 2022 security patch –

• Works upon an issue that causes searchindexer.exe to stop responding during a dismount operation in the Remote Desktop setup environment.
• Resolves an issue that causes the BranchCache republication cache to take up more space than it is assigned. This problem occurs only when the cache size exceeds 0xFFFFFFFF (4294967295) bytes within a short period (usually within 30 minutes).
• Performing multiple attributes changes results in an issue that prevents Active Directory (AD) attributes from being written properly during a Lightweight Directory Access Protocol (LDAP) Modify operation.

Known Issues on KB5009546

Before you install this patch update, make sure to go through the possible issues that might appear after installing this security update. The key issues that might occur are as follows –

• Error 0xC004F074: Windows 10 version 1607 may get deactivated because of an error related to Key Management Service (KMS). If you do encounter this issue, follow this article on how to fix error 0xC004F074.

How to get this update 

As usual, you will get this security patch via Windows Update automatically for your device. If not, reach out to the below path and hit Check for updates –

Settings (Win + I) > Update & Security > Windows Update

This update is also available via Windows Update for Business in accordance with configured policies. In case you have disabled receiving Windows updates automatically, visit the Microsoft Update Catalog website first to view the available standalone packages. Reaching there, pick the update that best matches your system architecture and hit the Download button.

The downloaded file is in “.msu” file format which requires only a double-click over it to begin the installation. 

Release Note