Fix 0x8007042B Error Code During Windows Update


By Jack Lin

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0x8007042B is more of a common error found among Windows users. This error tends to appear in some computers when they undergo a system update.

If you experience the same error on your PC, the solutions explained in this article will be very handy.

0x8007042B Error Code

You may already know that Windows 10 gets timely updates. Those updates are provided to fix the system’s potential bugs and strengthen security. In most cases, these updates go very smoothly.

However, with some systems, updates tend to show errors and then hold the update. The error codes shown upon a failed update can be different from one to the other. Error code 0x8007042B is one of those codes you can find when you update the system.

As a result of this error, your system’s update will not go according to your expectations. When such an instance appears, you’ll try several times but only to be unable to complete it.

There can be several reasons for the 0x8007042B error. For instance, it could be due to an erroneous USB peripheral. Also, it can happen due to a faulty third-party application or the virus guard.

Some users say that the same can happen due to corrupted files in the system. Even a faulty update itself can trigger error code 0x8007042B. So, as you can see, there is no shortage of reasons behind this error.

Since Windows is a very flexible and rapidly evolving OS, it is compulsory to have updates regularly. So, if you experience any errors with updates, it is important to fix them immediately.

As the most basic fixes, you can remove any peripheral devices installed in your system. You can then plug those peripherals back to see if it works. Well, let’s go ahead and try to fix error code 0x8007042B.

Solutions to Try if You Experience Error Code 0x8007042b 

Below are the possible solutions you can try if you want to fix the 0x8007042B error.

01. Get Rid of the USB Devices Attached to Your PC

The most basic method, as mentioned above, is to unplug all the USB peripherals attached to your system. That is because the peripheral devices may often lead to errors, including 0x8007042B.

So, the fix is straightforward; all you need is to remove the USB devices from their respective ports. After that, you should plug them in. If that doesn’t work and the 0x8007042B error persists, you may go ahead with the other solutions.

Besides, let’s figure out how to fix the 0x8e5e03fa Windows update error.

02. If You Have a Third-party Virus Guard, Uninstall It

Windows 10 is an impressive antivirus program that can scan and remove potential malware programs in the system. But in many cases, users tend to rely on third-party antivirus programs. If that’s the case with you, there can be some errors occasionally.

For instance, it may prevent a smooth update on your system and end up causing a 0x8007042B error. In that case, you should remove the third-party antivirus program from the system.

Also, if you are bothered by the error code 0x80004002 during the Windows update, this guide is what you should check out.

Mentioned Below is How to Get Rid of This Error by Removing the 0x8007042b error.

  • First, please perform right-click on the Windows button. Then, choose the option labeled “Settings.”
  • Once you have done that, you can select the option called “Apps” to proceed. After that, you can choose “Apps & Features” on the left-hand side.
  • Now, you are supposed to scroll down and perform a right-click on the third-party virus guard.
  • Then, click on the option “Uninstall,” and you should see a popup menu. Click on “Uninstall” once again, so removal will be confirmed.
Uninstall  Apps
  • Now, you should perform a “Restart” and see if the “0x8007042B” error is gone.

Also, here are the top solutions for fixing the Datastore.edb high data usage error.

03. Perform a Manual Update on the Available Updates

For some users, disabling the antivirus program will solve the issue. However, if that’s not the case with you, just try this method.

As per this solution, you are required to update the OS manually. That will probably remove the error code 0x8007042B from your computer.

Please follow up below the simple guide to update the system manually.

  • A specific number starts with “KB” related to the respective erroneous update. That is available in the section dedicated to Windows Updates. Note that number is down to proceed.
  • After that, you should go to the “Microsoft-Update Catalog” option. Then, you should key in the KB number on the appearing search bar. Hit the “Enter” key to proceed.
  • You will see a list of updates now. Click on the “Download” option in front of the most appropriate download option.
Perform a Manual Update
  • Once the downloading is done, click on the option .exe and install it.
  • Restart the PC and see if you can still see the error code 0x8007042B. If yes, you can choose the next option.

04. If You Have New Applications Installed Recently, Remove Them

Have you installed a new app or a driver on your system recently? For instance, assume that you have installed a driver or a new application before noticing the error 0x8007042B.

If you don’t know how to do that, you mentioned below how to do that.

  • First, go to the Search console on your system and enter the text “Control Panel.”
  • Then, click on the icon that represents the settings option. After that, please choose the “Programs & Features” option.
  • After that, you should right-click the most recently installed apps. Then, tap “Uninstall” next to each app to install it.
Uninstall new install applications to Fix the Error Code 0x8007042B
  • Once all new apps are uninstalled, restart the PC and see if the issue is resolved.

Also, if you are facing the 0xe0000100 Installation Error, here are the best fixes you should try.

05. Perform an SFC Scan

Your system may experience a 0x8007042B error due to corrupted or damaged system files. In that case, performing an SFC scan is the best way to fix it.

If you wonder how to do that, mentioned below are the steps.

  • First, you should simultaneously wake the search menu up by pressing the “Windows” and “S” keys. Then, enter the text “Command Prompt” in the given field.
  • Run the command prompt with administrator privileges. To do that, you should perform right-click on the CMD icon and select “Run as Administrator.”
  • Click on “YES” to proceed.
  • Enter the text “sfc /scannow” and hit the “Enter” key. That will scan the system.
sfc /scannow
  • It may take anywhere between 10-20 minutes. So, wait patiently.
  • After the scan, restart the PC.

06. Go for a DISM

Well, DISM is another method that can fix error code 0x8007042B. This is yet another built-in tool in the system.

The purpose of performing this fix is to fix potential corruptions found in the OS, and mentioned below is how to perform this action.

  • Go to the “Command Prompt” by entering the text “command prompt” on the search bar.
  • Then, right-click and choose to open it with administrator privileges.
  • When prompted, hit the option called “Yes” to proceed.
  • Once the console is elevated, enter the code mentioned below.

DISM /Online /Cleanup-Image /RestoreHealth [HIT ENTER]

Fix the Error Code 0x8007042B Using DISM
  • Now, the scan will begin, so wait patiently.
  • As the final step, restart the PC to see if the error code 0x8007042B is gone.

07. Perform a Reset on the Update Components

Resetting the update components on Windows can fix the 0x8007042B error. Mentioned below is what you can do to reset the components.

  • Press the Windows key and X keys to wake the power menu up.
  • Go to the option called “Run.”
  • Enter the text CMD and hit Ctrl, Shift and Enter keys together to proceed.
  • Then, tap Yes to continue
  • Enter the following codes on the CMD interface.

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


  • After entering the above codes, you can install the updates without the 0x8007042B error.

08. Rename the Migration Directory

Sometimes, you can fix error code 0x8007042B if you rename the Migration directory.

  • Hit Windows + E to launch the File Explorer window.
  • Enter the path mentioned below

C:\ Windows\System32\Migration

Rename the Migration Directory to Fix the Error Code 0x8007042B
  • Go to the migration folder and right-click. Choose rename.
  • Enter the name “Migration.old“.
  • Restart the PC.

09. System Restore

Try to restore your system to an earlier stage. That will fix the 0x8007042B error, and mentioned below are the steps.

  • Go to the search bar and enter the text “Create a Restore Point.”
  • Hit Enter and choose System Protection under System Properties.
  • Go to the option “System Restore” and hit Next.
System Restore Windows
  • Choose the latest restore point.
  • Choose “Next” and hit “Finish” to apply the changes.
  • Perform a restart.

10. Use Media Creation Tool

If nothing has worked so far, try to upgrade your Windows OS with Media Creation Tool.

Media Creation Tool
  • Install the tool by double-clicking.
  • Choose the option labeled “Upgrade this-pc now.”
  • Hit next.
  • Select “Download & install updates.”
  • Choose next and select “Accept.”
  • Hit next after choosing to keep personal files.
  • Use onscreen instructions.


Q1: What does the 0x8007042B error code mean during Windows update?

A1: The 0x8007042B error code typically indicates an issue that hinders the Windows update process from completing successfully. It can be caused by various factors such as internet connection problems, conflicting programs, or corrupted update files.

Q2: How can I fix the 0x8007042B error code?

A2: To resolve the 0x8007042B error, you can try checking your internet connection, restarting your computer, running the Windows Update Troubleshooter, clearing the Windows Update cache, disabling antivirus and firewall temporarily, updating drivers, performing a clean boot, resetting Windows Update components, or using the Windows Update Assistant.

Q3: What should I do if none of the troubleshooting methods work?

A3: If the 0x8007042B error persists despite attempting the troubleshooting methods, it may be necessary to seek professional assistance. Contact Microsoft support or consult with a qualified technician who can diagnose and resolve the issue for you.

Q4: Can I update Windows without encountering the 0x8007042B error?

A4: Yes, by following the troubleshooting methods outlined in this article, you can overcome the 0x8007042B error and update your Windows system smoothly. Remember to ensure a stable internet connection, address conflicting programs, and perform the necessary troubleshooting steps.

Q5: Why is it important to keep my Windows system updated?

A5: Keeping your Windows system updated is crucial for optimal performance, security, and access to new features. Updates often include bug fixes, security patches, and improvements that enhance the overall functionality and stability of your operating system.


Encountering the 0x8007042B error code during Windows update can be frustrating, but with the troubleshooting methods outlined in this article, you can overcome this issue. Remember to check your internet connection, disable conflicting programs, clear the update cache, update drivers, and utilize the available Windows troubleshooting tools. If the error persists, seek professional assistance. Keeping your Windows system up to date is essential for optimal performance, security, and access to new features.


10 years of experience in information and computer technology. Passionate about electronic devices, smartphones, computers, and modern technology.