6 Ways to Fix Error Code 0x80070426 in Windows 10

You might receive Error Code 0x80070426 in Windows 10 when you’ll try to install updates in Windows 10 or when you will upgrade Windows 10 to a higher version. The error message might be as follows:

“There were problems installing some updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help (0x80070426)
“Your purchase couldn’t be completed. Something happened and your purchase can’t be completed. Error code: 0x80070426
“An error has occurred in program initialization. If this problem continues, contact your System Administrator. Error Code: 0x80070426.”

These errors may occur in the following situations:

  1. When you try to download and install updates.
  2. When you try to purchase apps from Microsoft Store
  3. When you upgrade Windows 10 from lower version to higher version.

Mostly, when you upgrade Windows 10 from the lower version to a higher version, the Windows Security Essential gets replaced by the Windows Defender. If something went wrong then both items get resides in the PC. In such cases when you try to launch Windows Defender, it will unable to start and shows the Error code 0x80070426.

How to Fix Windows 10 Error Code 0x80070426?

There are several ways to fix this problem so, some of the effective solutions are listed below. I am sure by applying these methods, you will be able to remove this error effectively.

Method 1: Fix using Advanced System Repair Tool.

Most of the time, this error occurs due to missing dependable system files like dll files, exe files, sys files, ocx files, inf files, etc. Apart from this if the system is suffering from software conflict you may get the same error. In order to properly fix this error, we recommend you to use Advanced System Repair Tool. This tool is one of the best PC Optimizer tool that fixes all kinds of errors in PC and keeps your PC Updated, secure, error-free and blazing fast.

Windows is made with huge number of dll files, exe files, sys files, various types of services, databases, etc so, it is not possible to keep monitoring all the files always. A brilliant PC Optimizer tool repairs damages, fix errors, update windows and drivers, and eliminate various types of errors silently.

Outbyte PC Repair Tool does all the above task easily and provides you an errorfree and smooth Windows environment to work so that you can focus on your business only.

3 Steps to Fix this Error
Step 1. Download Outbyte PC Repair Tool [File Size: 16.4 MB]
Step 2. SCAN your Windows PC
Step 3. Click Fix button to Repair Error

Method 2: Uninstall Microsoft Security Essential Manually

If you have upgraded your Windows 10 and after that, you are getting the same error then the best way to fix this error is by removing Windows Security Essential Manually.

Step 1: Stop Windows Defender Service First. Open Task Manager by pressing CTRL + SHIFT + ESCAPE simultaneously. Go to Service Tab and find WinDefend and stop it.

Note: If you are getting the “Access denied” error message then tries to stop it in Safe Mode.

Step 2: Go to Control Panel > Programs & Features > Uninstall a Program and Uninstall Windows Security Essential and Reboot your PC. After the Reboot, Windows Defender gets start automatically and you will not get any 0x80070426 error code.

Method 3: Restore System Health using DISM Command Line Tool

DISM stands for Deployment Image Servicing and Management (DISM.exe). It is a command-line tool that basically scans PC health and restore lost or broken system files.
Step 1: Open Command Prompt as Administrator.

Step 2: Type or paste the following command and press Enter.

dism.exe /online /cleanup-image /restorehealth

Step 3: Wait for the completion of the process. It will usually take couple of minutes.

Step 4: Now type sfc /scannow in command prompt and press Enter. It is a System File Checker tool that usually finds and replaces missing system files.

Step 5: Now, restart your PC and most probably you won’t get the same error again.

Method 4: Run Windows Update Troubleshooter

If you are getting error code 0x80070426 when installing updates in Windows 10, then Windows Update Troubleshooter may help you a lot.

Step 1: Go to Start Menu and Type Troubleshoot in the Search box.


Step 2: Troubleshoot Setting Window will open. Here find Windows Update and click on Run the troubleshooter.
Run Update Troubleshooter

Step 3: The Troubleshooter will start working and search for the problem. Finish the troubleshooting and after that, you will not get any update related issues.

Method 5: Reset Windows Updates

In order to fix update error 0x80070426 permanently, you need to reset Windows Update Components. When you will reset this component, it will start downloading and installing a fresh copy of updates files.

Step 1: Open Command Prompt as Administrator

Step 2: Type these commands one by one and press Enter to execute.

net stop bits
net stop wuauserv
net stop appidsvc
net stop cryptsvc

ren %systemroot%\softwaredistribution softwaredistribution.old
ren %systemroot%\system32\catroot2 catroot2.old

net start bits
net start wuauserv
net start appidsvc
net start cryptsvc

Step 3: Now try to download and install updates again. Most probably you will not face any update related issues.

Method 6: Update all the installed drivers and software.

After upgrading Windows 10, it is necessary to update all the installed software and drivers. Most of the time an older version of software or drivers creates problems with a higher version of the operating system but as soon as you install updates, these software become compatible with Windows 10.


In this article, I have tried to explain how can you fix Windows 10 Error Code 0x80070426 easily. I have explained 6 effective methods to fix this error however if you know some other trick to resolve this problem then you must give your solution in the comment box.