Fixes

How to fix error 0x80073cf9 in Windows 10 for good

You can either launch the installation process again or cancel it. Unfortunately, neither option will work.

The Microsoft Store error 0x80073cf9 may also appear when you try to update an application in order to make it suitable for Windows 10.

Without further ado, here’s how to permanently fix this issue and prevent it from happening again.

How do I fix Microsoft Store error code 0x80073cf9?

1. Sync licenses

  1. Press and hold the Windows button on the keyboard.
  2. After you get to the start screen, you will need to left-click or tap on the Microsoft Store feature you have there.
  3. After you get to the Microsoft Store, you will need to press and hold the Windows + I buttons.
  4. Left-click on App updates.
  5. Left-click or tap on the Sync licenses here.
  6. Let it do its job and reboot your Windows 10 device.
  7. Try to install the app or upgrade it and see if you still get this error.

2. Uninstall problematic apps

  1. Go to your start screen as you did above.
  2. Find the problematic application.
  3. Right-click on the application and left-click or tap on the Uninstall feature.windows store error 0x80073cf9 uninstall app
  4. Left-click or tap the Microsoft Store feature on the start screen after the app is uninstalled.
  5. Enter the name of the app you uninstalled and install it again from the MicrosoftStore.

3. Use System Restore

  1. Press and hold the Windows + X buttons.
  2. You will need to left-click on the System feature on the screen.
  3. Now, left-click on the System protection feature you have on the left side of that window.
  4. Left-click or tap on the System Restore button you have in the window.
  5. You will need to follow the instructions on the screen and select a previous restore point to bring your system settings back to how they were before you got this error message.

Note: Before you perform the system restore, we suggest you write down the apps you had installed so that you can get them back after this process is done.


5. Create the AUInstallAgent folder

  1. Left-click on the Desktop icon on your start screen.
  2. Open the My Computer icon by double-clicking on it.
  3. Open the partition where you have Windows 10 installed.
  4. Double click on the Windows folder you have in the partition.
  5. In the Windows folder, check and see if you have another folder by the name of AUInstallAgent.
    Note: If you don’t have the AUInstallAgent folder, you need to right-click in the Windows directory and create a new folder with that name.
  6. Then, you need to reboot the Windows 10 device.
  7. Check and see if you still have this issue.

6. Disable your antivirus

If you have an antivirus, you will need to disable it and check your apps if they install correctly afterward.

If they install correctly, then it is an issue related to your antivirus as it blocks the app installation process.


7. Turn off your firewall

Your firewall may also trigger the annoying Microsoft Store error 0x80073cf9. As a result, one of the quickest and safest solutions is to disable it.

Once you’ve disabled your firewall, download and install the app that initially triggered this error code and then you can re-enable your firewall.


8. Run the Microsoft Store troubleshooter

If the problem persists, try running Windows 10’s built-in troubleshooter. This tool can fix general technical issues affecting your Microsoft Store Apps.

  1. Go to Settings > Update & Security.
  2. Select Troubleshoot from the left pane.
  3. From the available options, select Microsoft (Windows) Store Apps and click the Run the troubleshooter button.windows store apps troubleshooter

There you go, these are a few options that you can try in order to fix the error code 0x80073cf9 and get back to your daily activity.

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