The Windows error code 0x80070426 is a security related issue that can come up in just about any version of the Windows operating system. The error message can come up on the screen suddenly with a message, An error occurred in program initialization. If this problem continues, contact your System Administrator. Error Code: 0x80070426”.

Common Reasons For Error Code 0X80070426

The most common instant when you may receive this error is after upgrading from any Windows operating system to Windows 10 operating system. While the other Windows OS have Windows Security Essentials, Windows 10 comes with Windows Defender which should replace Security Essentials after the upgrade.

However, sometimes the upgrade leads to incomplete replacement of Windows Essential files. This means that the computer will have both Windows Essentials and Windows Defender and none of them will be able to initiate properly. This can lead to the error code 0X80070426.

Other reasons for Error 0X80070426

  • Failure by thr mail app to sync with the computer to retrieve mails
  • Malware or virus infection due to failure of initialization of security feature
  • Possible freezing and crashing of Windows 10 operating system

DIY Solutions to Fix Windows Error 0X80070426

Let’s take a look at the different methods that can be used to resolve this error code.

Solution 1:Use Automatic Repair Utility

For this method, you need to download the automatic repair utility tool called Total System Care. The program will scan and fix any issues that may be there.

The Total System Care will scan the complete computer for Corrupt Registry entries, System Files and other possible threats. Once the scan is complete, you can fix them all. Let the process complete and check if the error is resolved.

Solution 2: Restart Security Service

It’s possible that you may encounter this error because the software licensing service is disabled or it didn’t start after the upgrade. Restarting the service can fix this error in no time. Here is how to go about it.

  1. Disable or remove hardware like DVDs and CDs from the computer and restart the computer
  2. Hold down F8 key before the Windows logo appears
  3. Type ‘services.msc’ in the Command Prompt and hit Enter
  4. Locate ‘Software Licensing’ on the list of services
  5. Right click on ‘Software Licensing’ and select ‘Properties’
  6. Change ‘Startup type’ to ‘Automatic’ and click OK
  7. Restart the computer
  8. Check if the error is now resolved.

Solution 3:Store Repair

  1. Press Win + X together and open Command Prompt
  2. Type, ‘WSReset.exe’ before hitting Enter
  3. Restart the computer if it doesn’t restart automatically
  4. Check if the error is now resolved.

Solution 4: Sync Settings Change

  1. Click ‘Mail’ in the search box top open the app
  2. Click ‘Settings’ before clicking on ‘Accounts’
  3. Click on the email account from the resultant list of email accounts
  4. Select ‘Change mail box sync settings’ and then select ‘email’ option
  5. Restart the computer
  6. Check if the error is now resolved.

Solution 5: Uninstallation of Microsoft Essentials

  1. Press Win + R key together
  2. Type, ‘taskmgr’ in the Run dialog box
  3. Locate Windows Defender Service (Windefend), right click on it and select ‘Stop’
  4. Open Control Panel
  5. Click ‘Programs & Features’ → ‘Uninstall a Program’
  6. Uninstall Windows Essentials and restart the computer
  7. You can also press Win + R and type ‘appwiz.cpl’ in the resultant open dialog box.
  8. Locate and uninstall Windows Essential and restart the computer
  9. Once the computer has restarted, go to Settings and then ‘Update and Security’ and select ‘Windows Defender’.
  10. The error should now be resolved.


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