Microsoft released updates for all currently supported versions of Windows on this October 2021 Patch Tuesday. Windows 11 was released on October 5th, less than ten days ago. Security update KB5006674 has been made available for Windows 11 and will be downloaded and installed automatically for all users who have enabled Windows Update. A restart is, of course, required after installing this update.
In addition to a single security upgrade for Windows 11, this update also comes with Servicing Stack Update (SSU) that ensures you continue to receive quality updates for the operating system.
Installing this update will upgrade your build to 22000.258.
Let us now discuss what exactly KB5006674 improves.
Fixes and Improvements
The update KB5006674 fixes a compatibility issue reported by some users between some Intel “Killer” and “SmartByte” networking software and Windows 11 (Stable version).
The affected devices were reported to be dropping User Datagram Protocol (UDP) packets before the fix, which led to decreased performance. Users experienced slower web browsing, poor online video streaming, and poor VPN connectivity.
Installing KB5006674 on your Windows 11 PC will make significant improvements to your online experience if you are one of the affected users.
Also, there are currently no known issues with this release that Microsoft is aware of.
Download and install Windows 10 Update KB5005611
Download KB5006674 for Windows 11 x64 [174.7 MB]
To install the update, simply run the downloaded MSU file and Windows will automatically install the update. To download any other updates related to any of the above, please check the Microsoft Catalog.
To install KB5006674 via Windows Update, navigate to the Settings app and then click Windows Update on the left. The app will then perform an automatic stack and check for any pending updates. Once the scan is finished, KB5006674 will begin to download and then install.
Once installed, reboot the computer by clicking Restart Now so that the installation may get completed.
You can then confirm that the update has been installed successfully through winver.
Rollback/remove Windows 10 Insider Preview update
If you do not wish to keep the installed preview update for some reason, you can always roll back to the previous build of the OS. However, this can only be performed within the next 10 days after installing the new update.
To roll back after 10 days, you will need to apply this trick.
Cleanup after installing Windows Updates
If you want to save space after installing Windows updates, you can run the following commands one after the other in Command Prompt with administrative privileges:
dism.exe /Online /Cleanup-Image /AnalyzeComponentStore
dism.exe /Online /Cleanup-Image /StartComponentCleanup
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