Windows 11 KB5054979: New Released, Download & Fix Update Issues

About Windows 11 24H2 KB5054979

Microsoft released the KB5054979 cumulative update on March 27, 2025, which is a security update for NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2.

In this update, Microsoft enhanced the security and overall reliability for .NET Framework 3.5 and 4.8.1 and resolved an issue related to the use of System.IO APIs for file and directory operations on UNC shares. It is advisable to implement this update as part of users’ standard maintenance practices.

And more…

Best Fixes: Game Voice Chat and Mic Not Working in R.E.P.O.

This post explores several potential fixes for the fame voice chat and mic not working in R.E.P.O. You can give them a shot.

Read More

Windows 11 KB5054979 Download and Install

Are you planning to apply this update to Windows 11 24H2? Below, you will find two methods to obtain the security release.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

Option 1. Update Windows via Windows Settings

Step 1. Press Win + I to launch Windows Settings.

Step 2. Go to Windows Update and click Check for Updates. You can find an update called 2025-03 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5054979),and then click Download & install to get this update.

Option 2. Update Windows via the Download Link

Step 1. Go to the Microsoft Update Catalog and search for the KB5053656 update.

Step 2. Choose the proper version in accordance with your computer and click Download to get the package.

Step 3. In the prompt window, click on the link to download the .msu file. After downloading, double-click on the file to start the installation.

Fix Monster Hunter Wilds Fatal D3D Error | RE Engine Aborted Error

Are you suffering from the Monster Hunter Wilds Fatal D3D error or RE Engine Aborted error? If yes, read this post to try feasible fixes.

Read More

Try These Fixes If KB5054979 Won’t Install

If you are facing the KB5054979 not installing issue, you can try the following solutions. Don’t worry, it’s a common problem that may happen every time when trying to install a new update.

Way 1. Utilize the Windows Update Troubleshooter

Windows includes several troubleshooters to address various problems like hardware, network, and update issues. To begin with, we can run the Windows Update troubleshooter to resolve the issue.

Step 1. Press Win + I to access Windows Settings.

Step 2. Navigate to System > Troubleshoot > Other troubleshooters > Windows Update.

Step 3. Click the Run the troubleshooter button to use this tool. Allow the computer to automatically identify and resolve any detected problems.

Way 2. Perform SFC & DISM Scans

Corrupted system files can disrupt the Windows update process and cause update failures. Executing the SFC and DISM command lines can rectify those erroneous files.

Step 1. Run Command Prompt as an administrator on your computer.

Step 2. Type sfc /scannow and hit Enter to run this command.

Step 3. Once the process finishes, type the following command lines and press Enter after each one.

DISM /Online /Cleanup-Image /Checkhealth

DISM /Online /Cleanup-Image /Scanhealth

DISM /Online /Cleanup-Image /Restorehealth

Way 3. Restore Windows Update Components

Windows Update components are crucial for the download and installation of updates. If you’re facing the issue of KB5054979 not installing, think about resetting the Windows Update components following this comprehensive guide.

Split Fiction Save File Location: Where Is It & How to Protect It

Here is a stepwise guide that can help you find your Split Fiction save file location. Additionally, you can learn how to protect it.

Read More

Possible Problems You May Encounter After Updating

However, not everything goes smoothly after updating Windows, and sometimes, you may encounter new glitches. According to the user reports, there are two issues you may encounter.

Problem 1. Drive Pool Missing

“After I installed KB5054979 Windows 11 update, my drive pool is missing. I can see the non-pooled drives but not the pool, and no way to create or do anything with them. How would I fix this? I uninstalled the update. That did not solve the problem."community.covecube.com

According to the description of the forum users, consider assigning drive letters to each of the drives with the storage pool. After the adjustments, you can see that only one drive was recognized as an available non-pooled drive. Upon selecting the option to add this drive, the entire storage pool can come back online.

Problem 2. File Explorer Not Working

“2 days ago, I installed the following Windows update: 2025-03 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5054979)
After installing the update, the File Explorer stopped opening. It is working in the background, but when I double-click on the THIS PC icon or click on Taskbar Icon or click the Icon on Windows Search, it doesn't open any window. Even if I choose open file location from any other app, it doesn't open any window. Please suggest a solution. Thank You.”www.reddit.com

To fix the File Explorer not working issue, the first step you can give it a shot is uninstalling the Windows update. If it doesn’t work, you can follow this guide to fix this vexing issue: Fixed! File Explorer Not Working After Windows 11 24H2 Update.

MiniTool Power Data Recovery FreeClick to Download100%Clean & Safe

Monster Hunter Wilds Save File Missing: Possible Causes & Recovery Tips

Some players have been losing their game files in MH Wildes. Fortunately, this guide will explore several methods to fix the Monster Hunter Wilds save file missing.

Read More

Bottom Line

This post explores what’s new in Windows 11 KB5054979 and how to fix the Windows 11 KB5054979 not installing issue. Hope the information can be helpful for you.