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How to Fix update error code 0x800B0109 in Windows 10/11

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Error code 0x800B0109 is primarily related to the Windows Update service and affects the ability of the system to download and install updates. It indicates a failure in verifying the authenticity of digital certificates used by Windows to validate the integrity and origin of the downloaded files.

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Solutions to Resolve Windows 10/11 update Error Code 0x800B0109:

Now let’s explore some effective solutions to troubleshoot and resolve the windows 10 error code 0x800B0109: 

Solution 1: Verify Date and Time Settings

1. Open Date and Time settings on your computer.
2. You can typically find it by right clicking the clock in the taskbar and selecting “Adjust                    date/time.”
3. Ensure that the date, time, and time zone settings are accurate for your current location.
4. Click “OK” to save changes and restart your system.

Solution 2: Update Root Certificates

1. Press Windows key + R key on your keyboard to open the Run dialog box.
2. Type “mmc” and press Enter to open Microsoft Management Console.
3. In the console window, click on “File” in the top menu and select “Add/Remove Snap-in.”
4. Choose the “Certificates” from the list of available snap-ins and click to “Add.”
5. Select the “Computer Account” and click “Next.”
6. Choose “Local Computer” and click “Finish.”
7. Click “OK” to close the Add or Remove Snap-ins window.
8. In the Microsoft Management Console, expand the “Certificates (Local Computer)” node,then      expand “Trusted Root Certification Authorities.”
9. Right-click on “Certificates” and choose “All Tasks” followed by “Automatically Update Root          Certificates.”
10.Restart your system and check if the windows 11 error 0x800B0109 [external link] is                     resolved.

Common Causes for this windows 11 update Error Code 0x800B0109

Several factors can contribute to the occurrence of Windows update error code 0x800B0109. Some of the common causes include:

Expired or invalid digital certificates:

If the digital certificates used to verify the authenticity of Windows updates have expired or become invalid, update error 0x800B0109 may arise.

Misconfigured system settings:

Incorrectly configured system settings, such as incorrect date and time or improper proxy settings, can prevent the system from validating digital certificates correctly, leading to the error code 0x800B0109.

Internet connectivity issues:

Poor or unreliable internet connectivity can disrupt the communication between the Windows Update service and the update servers, results.

More Quick Solutions to Fix Windows 10/11 Update Error code 0x800B01019:

Solution 1: Disable Proxy Settings

· Press Windows key + R on your keyboard to open the Run dialog box.
· Type “inetcpl.cpl” and press Enter to open the Internet Properties window.
· In Connections tab, click “LAN settings “in system
· Uncheck the box that says “Use a proxy server for your LAN.”
· Click “OK” to save changes and close the window.
· Restart your system and check if the error is resolved.

Solution 2: Check the system date and time.

Ensure that your computer’s date and time settings are accurate. Incorrect settings can cause certificate validation issues, leading to windows error 0x800B0109.
1. Right-click the date and time in the taskbar
2. Select “Adjust date/time,”
3. Verify the settings.

Solution 3: Perform a system file check.

Corrupted system files can also occur this error 0x800B0109. You can use the System File Checker (SFC) tool to scan and repair system files.
1. Open Command Prompt as an administrator
2. Run the command: SFC/scan now.
3. Allow the scan to complete and restart your computer.

Conclusion:

If none of these solutions resolve the error 0x800B0109, you may need to seek further assistance from Microsoft Support or consult a technical professional for more in-depth troubleshooting.

The most common reason error 0x800b0109 occurs is that the specific WSUS signing certificate isn’t properly deployed to the client device.

The purpose of the certificate is to code-sign any content files for third-party updates during publishing operation from the WSUS API. Before any third-party software update is installed on a device, it will check to ensure the third-party update content was signed using a certificate the device trusts.

Corrupt or missing system files may also lead to Windows update error code 0x800b0109, thus, you can try System File Checker (SFC) and Deployment Image Servicing and Management (DISM) to perform the repair.

SFC is a command line designed by Microsoft. the abbreviation stands for System file checker. The scan process will diagnose the system files and returns good files.

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