Overview of Windows 11 KB5056579
On April 25, 2025, Microsoft released the update KB5056579 for Windows 11, version 24H2. It is a cumulative update for .NET Framework versions 3.5 and 4.8.1. This update aims to enhance reliability and resolve particular technical issues within the .NET Framework components.
The update is a part of Microsoft’s routine maintenance plan and includes both new enhancements and previously issued security updates. Besides, it brings some quality and reliability improvements:
- The main purpose of this update is to tackle reliability concerns within the .NET Framework. It specifically addresses a concurrency issue within the TypeDescriptor.GetConverter() and TypeDescriptor.GetProperties() methods, thus enhancing the stability of applications that rely on these components.
- Furthermore, it fixes a problem related to the interactions between .NET Framework DLL loads and OS code integrity enforcement policies, which were leading to the appearance of unnecessary error reporting dialog boxes.
These enhancements are designed to improve the overall stability and performance of applications built on the .NET Framework while ensuring system security remains intact, which indicates that this update is a maintenance-oriented update with minimal risk of interfering with current systems.
How to Download and Install Windows 11 KB5056579
Normally, there are two ways to download and install KB5056579. You can follow one to update your Windows. It is worth noting that the two requirements you must check are mentioned below:
- To implement this update, .NET Framework versions 3.5 or 4.8.1 need to be installed.
- You are better to close all applications based on the .NET Framework before applying this update.
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Way 1. Via Windows Settings
Step 1. Press Win + I to open Settings and go to Update & Security.
Step 2. Click the Check for Updates button to check for updates manually.
Step 3. After looking at the KB5056579 update, click Download & install.
Way 2. Via the Download Link
If you haven’t received this update on your computer, you can visit the Microsoft Update Catalog website to manually download and install KB5056579. Here are the instructions:
Step 1. Open your web browser on your computer and go to the Microsoft Update Catalog site.
Step 2. Input KB5053596 in the search field and hit Enter.
Step 3. Click the Download button.
Step 4. After downloading, click the link in the pop-up window to start downloading the update installation package.
Step 5. After that, run the .msu file and follow the on-screen guide to install the update to your PC.
3 Methods to Fix KB5056579 Not Installing
Fix 1. Run the Windows Update Troubleshooters
The built-in Windows Update Troubleshooter on a Windows PC can resolve many issues related to updates. As a result, you may want to run the Windows Update Troubleshooter to address the error. Here’s how to do it:
Step 1. Press the Win + S keys to open the Search window, type troubleshoot in the search field, and select Troubleshoot settings.
Step 2. In the appeared window, click on Additional troubleshooters.
Step 3. Select the Windows Update option and click on Run the troubleshooter.
Fix 2. Run SFC and DISM
Corrupted system files can cause update failures easily, including the KB5056579 not installing issue. In this case, you can run the SFC and DISM commands to repair the system file corruption. Here’s the way:
Step 1. Access the Windows Search on the taskbar, type cmd in the box, right-click Command Prompt, and select Run as administrator.
Step 2. In the elevated Command Prompt window, type “sfc /scannow” and press Enter.
Step 3. Once the process is complete, restart your PC and check if the error has been resolved.
Step 4. If not, you can run Command Prompt as an administrator again and run the following commands to initiate a DISM scan. Here are the DISM commands: (Do not forget to press Enter after each command.)
DISM /Online /Cleanup-Image /Checkhealth
DISM /Online /Cleanup-Image /Scanhealth
DISM /Online /Cleanup-Image /Restorehealth
Fix 3. Reset Windows Update Cache
You can also attempt to reset the Windows Update cache to resolve the KB5056579 installation failure issue. Here’s how to do it:
Step 1. Open the search interface and type cmd into the search box. Then, select Run as administrator under Command Prompt in the right pane.
Step 2. Input the following commands and hit Enter after each one:
- net stop wuauserv
- net stop cryptSvc
- net stop bits
- net stop msiserver
- Ren C:\WindowsSoftwareDistribution SoftwareDistribution.old
- net start wuauserv
- net start cryptSvc
- net start bits
- net start msiserver
Step 3. After completing these steps, restart your computer and see if the error is resolved.
Final Words
What’s new in the latest Windows 11 KB5056579, and how can you resolve the issue of KB5056579 not installing? You should now have the answers. Additionally, if you face any data loss on Windows, you can utilize MiniTool Power Data Recovery to recover 1 GB of files for free.
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About The Author
Position: Columnist
Sandy became an English editor after graduation. She is devoted to finding effective solutions for diverse IT problems and provides articles on data recovery, data backup, and computer partitions and drives. In her spare time, she likes listening to music and playing games.
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