How to Fix Error 0x80070520 in Windows

Error 0x80070520 in Windows is most commonly related to issues with authorization or updating applications, often connected to the Microsoft Store or other services. Here are several steps that can help resolve this issue:

1. Check your internet connection

Make sure your internet connection is stable. Sometimes, an unstable connection can cause problems with account synchronization and authorization.

2. Reset the Microsoft Store

Often, this error occurs due to issues within the Microsoft Store itself. Try resetting the app:

  • Open Settings → Apps.
  • Find Microsoft Store in the list of installed apps.
  • Click on it, select Advanced options, then click Reset.

3. Re-register Windows Store Apps

If resetting didn’t help, try re-registering apps through PowerShell:

  1. Open PowerShell as an administrator (you can find it through search).
  2. Enter the following command and press Enter: 
    Get-AppxPackage -allusers Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
  3. After the command is executed, restart your computer.

4. Disable antivirus software

Sometimes, antivirus software can block the Microsoft Store from working properly. Temporarily disable your antivirus and check if the issue is resolved.

5. Check for Windows updates

Make sure your system is fully updated. Follow these steps:

  • Open Settings → Update & Security.
  • Click Check for updates and install any available updates.

6. Reset the Windows Store cache

Resetting the Microsoft Store cache may help fix issues with authorization and app downloads:

  • Open the command prompt (press Win+R and type cmd).
  • Type the command wsreset and press Enter.

7. Check system files

The error could be caused by corrupted system files. Use the SFC utility to check them:

  1. Open the command prompt as an administrator.
  2. Enter the following command: 
    sfc /scannow
  3. Wait for the scan to complete. If any errors are found, the system will attempt to repair them automatically.

8. Create a new user account

Sometimes the issue is tied to a specific user account. Try creating a new user account and check if the error persists.

9. Contact Microsoft Support

If none of the above steps resolved the issue, it’s recommended to contact Microsoft Support for further diagnosis.

These steps should help resolve most problems related to error 0x80070520 in Windows.