Proven Fixes and Tips for KB5054980 Not Installing

Troubleshooting KB5054980 Installation Issues on Windows 11

Microsoft released KB5054980 on March 25, 2025, for Windows 11 versions 22H2 and 23H2. While this update doesn't include new security features, it incorporates all previously released security updates and addresses a known issue with System.IO APIs and UNC share files. If you encounter problems installing KB5054980, this guide offers solutions. Remember to back up your important data beforehand using a reliable backup tool like MiniTool ShadowMaker.

Problem: KB5054980 Installation Failure

Several factors can prevent successful installation. Let's explore effective solutions.

Solution 1: Re-download the Update

A simple yet effective first step is to re-download the update.

1. Open Windows Settings (Win I).
2. Select Windows Update in the left pane.
3. Click Advanced options, then scroll to Optional updates.
4. Locate KB5054980 and initiate a fresh download and installation. Alternatively, download directly from the Microsoft Update Catalog.

Solution 2: Ensure .NET Framework is Installed

Microsoft specifies that .NET Framework 3.5 or 4.8.1 is required for KB5054980. If not installed, install and enable them:

1. Open Control Panel, then Programs.
2. Select Turn Windows features on or off under Programs and Features.
3. Check the boxes for .NET Framework 3.5 (includes .NET 2.0 and 3.0) and .NET Framework 4.8 Advanced Services.

4. Click OK.

Solution 3: Close .NET Framework Applications

Close all applications utilizing the .NET Framework to prevent conflicts during the update process.

Solution 4: Restart Relevant Services

Certain Windows services are crucial for successful update installation. Ensure these are running correctly:

1. Open the Run dialog (Win R), type services.msc, and press Enter.
2. Locate the following services: Windows Update, Background Intelligent Transfer Service, Cryptographic Services, and Windows Management Instrumentation.
3. Right-click each, select Properties, set Startup type to Automatic, click Start, and save changes.

Further Troubleshooting Steps

If the above solutions don't resolve the issue, try these additional steps:

• Verify a stable internet connection.
• Flush your DNS cache.
• Run SFC and DISM scans.
• Reset Windows Update components.
• Run the Windows Update Troubleshooter.
• Rename the Catroot2 and SoftwareDistribution folders.

Conclusion

Keeping your Windows system updated is essential for security and performance. By following these steps, you can hopefully resolve KB5054980 installation problems and maintain a secure and efficient computing experience.

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