How to Fix Update KB5055612 Failed to Install in Windows 10 (22H2)

If you’re struggling to install Windows 10 cumulative update KB5055612 for version 22H2 (April 2025), you’re not alone. This update is crucial for stability and security improvements, but sometimes it fails due to background services, corrupted files, or outdated settings.

Here’s a complete, step-by-step guide to fix the KB5055612 installation error on your Windows 10 PC.

1. Manually Download and Install the Update

Instead of relying on Windows Update, try manually installing the update from the official Microsoft Update Catalog.

Steps:

1. Go to the Microsoft Update Catalog.
2. Search for KB5055612.
3. Download the file matching your system type:
   • x64-based systems
   • x86-based systems
   • ARM64-based systems
4. To find your system type:
   • Click Start > Settings > System > About.
   • Look under System type.
5. Once downloaded:
   • Open File Explorer > Downloads.
   • Right-click the file and choose Open.
   • Follow the on-screen installation process.
6. Restart your computer when prompted.

2. Set Essential Services to Automatic

Some Windows services must be running for updates to install successfully. Here’s how to configure them:

Services to Configure:

• App Readiness
• Background Intelligent Transfer Service (BITS)
• Cryptographic Services
• Windows Update

How to Modify:

1. Press Win + S, type services, and open Services.
2. For each service:
   • Right-click > Properties.
   • Set Startup type to Automatic.
   • If the Service status is stopped, click Start.
   • Click Apply > OK.
   • Right-click again and choose Restart.

3. Run Windows Update Troubleshooter

If the update still fails, run the built-in troubleshooter.

Steps:

1. Open Settings > Troubleshoot > Additional troubleshooters.
2. Select Windows Update.
3. Click Run the troubleshooter.
4. Follow the recommendations.
5. Restart your PC and try updating again.

4. Reset the Windows Update Cache

Corrupted cache files can block updates. Resetting the cache often resolves persistent errors.

How to Reset:

1. Download the cache reset tool (usually provided in the video description or Microsoft support).
2. Extract the ZIP file.
3. Right-click the .bat file and choose Run as administrator.
4. Press any key to start.
5. Let the process finish and press any key again to exit.
6. Restart your computer.

5. Run System File Checker and DISM Commands

Corrupted system files might prevent update installations. Run these tools to repair them.

Steps:

1. Click Start, type cmd.
2. Right-click Command Prompt, select Run as administrator.
3. Run the following commands one at a time:

sfc /scannow

DISM /Online /Cleanup-Image /RestoreHealth

1. After the scan and repair, close Command Prompt.
2. Restart your computer.

6. Uninstall Third-Party Antivirus Software

Some antivirus programs can interfere with the update process.

To Uninstall:

1. Go to Start > Settings > Apps > Apps & Features.
2. Look for any third-party antivirus.
3. Click the app > Uninstall.
4. Follow the uninstallation wizard.
5. Restart your PC and check for updates again.

Final Thoughts

Fixing the KB5055612 update error on Windows 10 22H2 can be straightforward if you follow these methods carefully. Start with a manual installation, check essential services, and don’t skip the system file repair and cache reset steps. If all else fails, disabling conflicting antivirus software may be the key.

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