Microsoft KB5046339 Update: Enhancements for Windows 11 Version 24H2

On October 24, 2024, Microsoft released an important update known as KB5046339 for Windows 11, specifically aimed at enhancing the setup process for version 24H2. Let’s unpack what this update entails and how to get it.

Overview of the Update​

This update is designed to make improvements to the Windows setup binaries and other related files, ensuring smoother feature updates in the all-new Windows 11, version 24H2. For users regularly diving into their Windows settings, you'll appreciate this update’s role in refining your overall upgrade experience.

Who is Affected?​

This update applies to several specific versions of Windows 11:

• Windows 11 SE, version 24H2
• Windows 11 Enterprise and Education, version 24H2
• Windows 11 Enterprise Multi-Session, version 24H2
• Windows 11 Home and Pro, version 24H2
• Windows 11 IoT Enterprise, version 24H2

If you’re running any of these, buckle up; the update may offer significant improvements under the hood.

How to Get This Update​

Installation Options
You can grab this update through the following channels:

• Windows Update: Like a stealthy ninja, this update will be downloaded and installed automatically if you have automatic updates enabled.
• Microsoft Update Catalog: If you prefer to play it a little more hands-on, you can manually download the standalone package for this update from the Microsoft Update Catalog.
• Windows Server Update Services (WSUS): For those in enterprise environments keen on managing updates centrally, this update will sync with WSUS automatically if you’ve configured the necessary products and classifications (Product: Windows 11; Classification: Updates).

Prerequisites​

Interestingly, there are no prerequisites needed to apply this update. Just dive right in!

Restart Requirements​

You won’t even need to reboot your system post-installation, which can be a refreshing change from past updates that often required a full restart.

What’s Inside the Update?​

The update replaces the previous one, KB5045520, meaning it's enhanced to offer a better experience with the latest fixes and features. Here’s a sneak peek into the technical nuts and bolts of the update, specifically aimed at both x64-based and Arm64-based systems:

1. File Information​

The update comprises multiple critical files, including:

• appraiser.sdb: A system database file important for the setup process.
• MediaSetupUIMgr.dll.mui: Part of the user interface setup, ensuring everything appears clean and functional.
• compatctrl.dll: This controls compatibility settings during the installation, helping users avoid potential pitfalls while updating.

The complete file list is quite extensive, optimized across varied architectures to ensure everyone gets a piece of the pie.

2. Technical Specs​

For those interested in a few technical specifications, here’s how some of the relevant files stack up:
| File Name | File Version | Date | Size (Bytes) |
|--------------------------------|------------------------|----------------|--------------------|
| appraiser.sdb | Not versioned | 14-Oct-24 | 2,793,452 |
| MediaSetupUIMgr.dll.mui | 10.0.26100.2154 | 14-Oct-24 | 73,216 |
| compatctrl.dll | 10.0.26100.2154 | 14-Oct-24 | 198,048 |
| SetupPlatform.exe | 1.95.26100.2154 | 14-Oct-24 | 10,166,688 |
| WinSetupBoot.sys | 10.0.26100.2154 | 14-Oct-24 | 116,168 |
This data emphasizes the thoroughness of the update as it enhances various components vital for the Windows 11 setup process.

Conclusion​

The KB5046339 update is yet another step in Microsoft’s continuous efforts to refine the Windows 11 experience, especially for its 24H2 variant. With no prerequisites, automatic installation via Windows Update, and no mandatory reboots, it encourages users to keep their systems updated and running smoothly.

Engage with Us!​

Are you excited about the improvements this update brings? Or perhaps you’re facing issues related to it? Let us know in the comments below!
Source: Microsoft Support KB5046339: Setup Dynamic Update for Windows 11, version 24H2: October 24, 2024 - Microsoft Support