How to fix error code 0x80073cf9 in Windows 10 for good

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
Last update:
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  • The error code 0x80073cf9 is one of the many issues associated with the Store, but not one to easily avoid.
  • Error 0x80073cf9 essentially stops you from installing apps and sometimes only a full reboot will rid you of it.
  • But not even that is a guaranteed fix. Worry not as we list here all known methods to solve the Microsoft Store error 0x80073cf9.
  • One logical step is to get your system back to a point in time before the error 0x80073cf9 and we will show you how to do so.
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The error code 0x80073cf9 in Windows 10 is usually triggered when you try to install a new application from the Microsoft Store.

This error code basically prevents you from installing the app and it will give you two options.

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.sync app licenses
  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.


4. Use specialized software to repair Store apps

Although updating your system is always a good idea, things can go south. There have been numerous instances when Windows updates caused all kinds of issues from incompatibility between system features to outdated drivers and so on.

Windows Update is meant to improve the overall performance of your operating system, integrate new features, and even upgrade the existing ones. However, there are times when certain errors may occur out of the blue. Thankfully, if you happen to run into such issues, there is a specialized Windows repair software that can help you solve them in no time, and it is called Restoro. This is how you can fix registry errors using Restoro:
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  5. Restart your PC for all the changes to take effect.
After the process is completed your computer should work perfectly fine and you will no longer have to worry about Windows Update errors of any kind. Get Restoro Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

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

Run a System Scan to discover potential errors

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Run a PC Scan with Restoro Repair Tool to find errors causing security problems and slowdowns. After the scan is complete, the repair process will replace damaged files with fresh Windows files and components.

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.

If you have any questions, let us know in the comments below.

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Frequently Asked Questions

  • Error code 0x80073cf9 can be considered a download error since it prevents you from getting apps from the Microsoft Store. Here’s a quick guide to fix it.

  • You can do so by going to Settings->System->Apps & features. Click on the Store and select Advanced options->Reset. If you suspect your Microsoft Store cache are damaged, have a look at these easy fixes.

  • This can also be related to cache. If you don’t want to lose any settings, try using the tool WSReset.exe instead. Should you not be able to open the Store at all, here’s what you need to do.

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How to fix error code 0x80073cf9 in Windows 10?
As I know that just re-login the Microsoft Account and re-set that “Manage Your Equipment” agaist the “Application Store” of Microsoft. The processing is follows:
1. Double click “Application Store”
2. Find your Microsoft account and log out
3. Log in Again
4. Find “Manage Equipment” and choise it.
5.Quit and restart the PC.

I have the same problem. My win10 has this problem after when I install the windows at first time, so it was a clean installation. Any of these step did not work. What should I do?