[100% SOLVED] How to Fix Windows Store Error 0x80073cf9?

You are unable to download an app from the Windows Store. Does your Windows Store show you this error?

Something happened and this app couldn’t be installed. Please try again. Error code: 0x80073cf9

You must fix the Error 0x80073cf9 as soon as possible if you are experiencing this message.

This error means that Windows 10 is blocking the user from installing applications.

It is possible to fix this annoying error by using the tricks in this article. However, it is highly recommended that you create a system image backup in Windows 10. It will also help you deal with any issues that may arise while applying the solutions.

You can run your application without problems by following the steps in this article.

How To Fix Windows Store Error 0x80073cf9?

To fix the error 0x80073cf9 on the Windows Store, follow the steps below. You will be able to remove this error and then install apps from the Windows Store without further errors.

Fix 1: Try Deleting OLE Folder from the Registry

Some users have also reported success in resolving Error 0x80073cf9 by deleting the OLE folder.

Before you delete any folder or key, make sure to take a backup of the Windows registry.

  • Press Windows key + R to activate the key.
  • Enter the regedit key.
  • Navigate: HKEY_CURRENT_USER\Software\ Microsoft
  • Search for the OLE folder. Make a copy and remove it.

If the Windows Store is still not fixed, you can restart your computer and check if it has been corrected.

Fix 2: Create AUInstallAgent Folder

Creating AUInstallAgent in Windows will help you overcome the Microsoft Store error 0x80073cf9.

Navigate to Windows and check if there is a AUInstallAgent folder.

You will need to create the folder and then check the error. Continue by following the steps:

  • Click on this PC.
  • Choose Windows and the local disc (C:).
  • Click on the blank area with your right-click.
  • Select by clicking on New.
  • After user account control prompts you, click yes.
  • Give this folder the name’AuInstallAgent.
  • You can now restart Windows 10 and go to the Windows App Store to install the app once again and see if you are successful.
  • Check if the folder “AppReadiness” is already present in C:Windows. If not, create it.

You can try the tricks above to fix it, but if you still cannot repair “This app could not be installed error code 0x80073cf9” in Windows 10 or 8, don’t worry. Below are some other methods to resolve this problem.

Fix 3: Try To Re-Register Windows Store Apps

You may be able to overcome the Windows Store error 0x80073cf9 by re-registering the Windows Store app. Follow the steps below to reregister the Windows Store app:

  • PowerShell in the search box and select Windows PowerShell. Run Windows PowerShell using administrator permission.
  • Type the below command in the PowerShell window, and then press Enter.

Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

  • Close Windows PowerShell after executing the above command and restart your computer.

Try to launch the Windows Store and check if Error 0x80073cf9 has been resolved or not.

Fix 4: Try To Reset Windows Store Cache with WSReset.exe

This method will fix the Windows Store error 0x80073cf9. Try to reset the Windows Store cache using WSReset.exe.

Windows Store reset:

  • Navigate to Windows Modern UI or the Start Screen.
  • Type WSReset.exe
  • Run this as an administrator.
  • The Windows Store will automatically open, and you’ll receive a message confirming that the cache has been cleared. Now you can browse the store to find apps”.

Try to update or install the app and check if the error is gone. If not, then try the tricks or methods above.

Fix 5: Perform system file checker

It can happen that the 0x80073cf9 Windows Store appears on Windows due to a missing or corrupted system file. It was suggested that you run an SFC to repair corrupt files and fix the error.

Follow these steps to scan your SFC:

  • Click the Windows icon.
  • Click on Run as Administrator after typing cmd.
  • Type in the command prompt and press the Enter sfc/scannow key. 

Restart your computer after a few minutes to let the scanning process complete.

Open the Windows Store and install an application to see if error code 0x80073cf9 persists.

Fix 6: Disable Your Antivirus

You should disable your antivirus and check if your apps install correctly or not.

It is likely that your antivirus software is blocking the installation of apps.

Fix 7: Turn Off Your Firewall

Microsoft Store Error 0x80073cf9 is a very annoying error that can occur on your firewall.

You must disable it immediately. This is the fastest and safest solution.

You can reactivate the firewall after you have disabled it.

Fix 8: Run Windows Store Troubleshooter

If you are still unable to fix the Microsoft Store after trying all the solutions above, then run the Windows built-in troubleshooter. You can fix general technical problems that are affecting your Windows Store apps by running the troubleshooter.

If you still want to launch the app, you can do so by following these steps:

  • Click the Windows icon and click Settings
  • Click on Update and Security.
  • Select Troubleshooter
  • Find Windows Store apps
  • Click on it to run the troubleshooter.
  • Restart Windows after the troubleshooting procedure is complete.

If the error still persists, try launching the Windows Store to see if the 0x80073cf9 Windows Store is fixed.

Fix 9: Use System Restore

System Restore can be used to fix This app could not be installed. Error code: 0x80073cf9. System Restore will restore your PC’s previous state, fixing the problem.

Follow the steps below to perform a system restore:

  • Press and hold “Windows” and “Windows” together.
  • You will then be asked to click on “System.”.
  • After opening the “System Control Panel,” otectioon the you “Systemlready have in this window.
  • You can now click or tap the “Restore System” button.

You will then be asked to follow the steps on the screen. Select the previous restore point to get the system settings back to the way they were before the error.

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When installing apps from the Windows Store, you may receive the error code 0x80073cf9. You can fix this error by using the methods mentioned in this article.

If none of these solutions work to fix Error 0x80073cf9, then use the simple solution above and eliminate this error.

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