How to Resolve Windows Update Error 0x800B010A: Easy and Effective Fixes

When it comes to ensuring the optimal performance of your Windows operating system, regular updates play a pivotal role. However, encountering errors during the update process can be frustrating, with one of the most common issues being the 0x800B010A error. This error often halts the update installation, leaving your system vulnerable to security risks and performance issues.

Understanding Error 0x800B010A

The 0x800B010A error arises when Windows fails to verify the cryptographic signature of an update file. This issue suggests potential file corruption or threats, hindering the update’s installation. Various factors, including system file glitches, network problems, or conflicts with third-party software, can trigger this error.

Note: As you can see in the error message itself, this error occurs when some root certificate updates are missing on your PC. If that’s indeed the case, you must manage or add new trusted root certificates on your computer.

1. Utilize Windows Update Troubleshooter

The built-in Windows Troubleshooter often proves effective in resolving update-related issues. To initiate troubleshooting:

  1. Open Settings from the taskbar.
  2. Navigate to System > Troubleshoot > Other troubleshooters.
  3. Locate Windows Update and click ‘Run’ next to it.
  4. Follow the on-screen instructions and restart your PC.
image 137 How to Resolve Windows Update Error 0x800B010A: Easy and Effective Fixes

After this, attempt the update again. If the error persists, proceed to the next steps.

2. Disable Third-Party Antivirus

Disable any third-party antivirus software temporarily as it might cause compatibility issues hindering the update process. If disabling the antivirus resolves the issue, re-enable it after a successful update.

3. Run a Clean Boot

To identify potential third-party software conflicts, enter Clean Boot mode:

  1. Press Windows key + R, type ‘msconfig,’ and press Enter.
  2. In the opened window, go to the Services tab, check ‘Hide All Microsoft Services,’ and click ‘Disable all.’
  3. Choose the General tab, and select ‘Selective startup,’ ensuring ‘Load System Services’ and ‘Load startup items’ are the only options selected.
  4. Click Apply and OK, then reboot your PC.

Try updating while in Clean Boot mode and revert to Normal Startup afterward.

4. Check System File Integrity

Use SFC (System File Checker) and DISM (Deployment Image Servicing and Management) scanning utilities to identify and repair corrupt system files:

Using SFC:

  1. Open Command Prompt as an administrator.
  2. Enter the command: sfc /scannow and press Enter.
  3. Restart your computer after the process is completed.

Using DISM:

  1. Open Command Prompt as an administrator.
  2. Enter: DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.
  3. Restart your PC after the scanning and fixing completes.

Attempt the update after performing both scans.

5. Clean Up Unnecessary System Files

Clearing redundant system files might aid in resolving the error. Follow these steps:

  1. Open This PC from your desktop.
  2. Right-click on your main disk, and choose Properties.
  3. Click Disk Cleanup, select ‘Clean up system files,’ check all boxes, and click OK.
  4. Restart your PC and check for changes.

6. Restart the Windows Update Service

Ensure the Windows Update service is running correctly:

  1. Press Windows key + R, type ‘services.msc,’ and press Enter.
  2. Find Windows Update, right-click, and choose Properties.
  3. Set the Startup type to ‘Automatic,’ click Apply, then Start.
  4. Check if this resolves the issue.
image 139 How to Resolve Windows Update Error 0x800B010A: Easy and Effective Fixes

7. Reset Windows Update Components

Restart all update-related services and reset Windows components:

Using Command Prompt (Run as administrator):

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
image 138 How to Resolve Windows Update Error 0x800B010A: Easy and Effective Fixes

Go to Windows Update and attempt the update process.

8. Scan for Malware

Run a thorough scan for malware using Windows Defender or an advanced antivirus like Malwarebytes to ensure no malicious programs are causing the error.

9. Download a Conflicting Update from Microsoft Catalog

If a specific update fails repeatedly, manually download and install it from Microsoft Catalog based on the information from the Update history.

Here’s how:

  • Open the Microsoft Update Catalog website in your browser.
  • Type the update’s KB number to be downloaded.
  • Click on the Download button next to the update. This will open a new page with the download link.
  • Click on the link to download the file and then double-click on it to start the installation.

10. Use the Media Creation Tool

As a last resort, utilize the Media Creation Tool to reinstall Windows and retrieve the latest updates available.

What causes error 0x800B010A during Windows updates?

Error 0x800B010A may arise due to issues with verifying update file signatures, including faulty system files or conflicts with third-party software.

How vital are Windows updates for system health?

Windows updates are essential, offering critical security patches, bug fixes, and feature enhancements vital for a system’s security and performance.

Why should I disable third-party software to fix this error?

Sometimes, third-party software like antivirus or VPNs can interfere with update processes, causing errors like 0x800B010A.

Is it safe to reset Windows Update components?

Yes, resetting these components through Command Prompt helps fix update-related issues without harming your system.

Can a proxy affect Windows update errors?

Yes, proxies might interfere with network connections, leading to errors during Windows updates like 0x800B010A.


The persistence of error 0x800B010A during Windows updates can be a frustrating experience, impeding the system’s overall functionality and security. Employing the aforementioned troubleshooting methods can effectively rectify this issue, ensuring your Windows operating system remains updated, secure, and optimized.

How useful was this post?

Click on a star to rate it!

Average rating / 5. Vote count:

No votes so far! Be the first to rate this post.

Sharing is caring!

Leave a Reply

Your email address will not be published. Required fields are marked *