Windows 11 gets update KB5006674 with Intel network fix

Microsoft issues the first Patch Tuesday update for Windows 11 that fixes the Intel issue with networking software.

Windows 11 update KB5006674
Windows 11 update KB5006674
  • Windows 11 receives its first cumulative update KB5006674.
  • The update KB5006674 only fixes the Intel “Killer” and “SmartByte” networking software issues.
  • You can download it from Windows Update or the Microsoft Update Catalog website.

Microsoft is now rolling out the update KB5006674 for devices running Windows 11 (version 21H2). This is the first cumulative update the company is making available for the new version, and it’s a small update with a number of fixes and improvements.

The update KB5006674 bumps the version number to build 22000.258, and according to the company, it fixes the compatibility issues with some Intel “Killer” and “SmartByte” networking software, which may cause drops of User Datagram Protocol (UDP) packets, making some websites might load slower and problems with VPN.

The update download and install automatically, but you can always force it from Settings > Windows Updates and clicking the Check for Updates button. Alternatively, you can download the update KB5006674 directly from the Microsoft Update Catalog website.

Uninstall update KB5006674

If the system update is causing issues, you can always uninstall it using these steps:

  1. Open Start on Windows 11.

  2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.

  3. Type the following command to view the update history and press Enter:

    wmic qfe list brief /format:table
  4. Check the Windows Update history of your device, and identify the update by its HotFixID and InstalledOn information.

  5. Type the following command to uninstall the update from your computer and press Enter:

    wusa /uninstall /kb:5006674
    Quick note: In the command, replace “5006674” for the KB number corresponding to the update you are trying to uninstall.
  6. Click the Yes button.

  7. Continue with the on-screen directions (if applicable).

Once you complete the steps, the recently installed update will be removed from your installation, fixing any issues resulting from the release.

If your computer doesn’t boot after installing KB5006674, you can remove the update from the Advanced startup environment using these steps.

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 15 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 21 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and Email him at [email protected].