How to fix error 0x80073cf9 in Windows 10 for good

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
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  • If you got the 0x80073cf9 error when you tried to install a new application from the Microsoft Store, please red our complete step by step guide below to solve the problem.
  • If you encounter any errors regarding the Microsoft store, please find our etensive hub about Microsoft Store errors.
  • A solution within our guide is to use the Sytem Restore feature. Read our guide on how you can create a system restore point yourself.
  • If you experienced any other Windows 10 errors we've got you covered. Check out our Windows 10 errors hub.
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When you get the error 0x80073cf9 in Windows 10, it is usually 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, whichever option you choose, it will not work. The error code 0x80073cf9 may also appear when you try to update an application to make it suitable for Windows 8 or Windows 10.

If you try to reboot your Windows 8 or Windows 10 computer, it might work in rare cases.But if you follow the steps listed below, you will see how to permanently fix this issue and prevent it from happening again.

Fix Microsoft Store error 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 MicrosoftStore feature you have there.
  3. After you get to Microsoftstore you will need to press and hold the Windows button and the I button.
  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 the Windows 8 or Windows 10 device.
  7. Try to install the app or upgrade it and see if you still have this error message appearing.

2. Uninstall problematic apps

  1. Go to your start screen in Windows 8 or Windows 10 as you did above.
  2. Find the application you have trouble with.
  3. Right-click on the application and left click or tap on the Uninstall 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.

In case you wondered, there is a way to download Microsoft Store apps without using the Store. Here’s how.

3. Create the AUInstallAgent folder

  1. Left click on the “Desktop” icon in your start screen.
  2. Open the My Computer icon by double clicking on in.
  3. Open the partition where you have your Windows 8 or 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. After you made the folder you need to reboot the Windows 8 or Windows 10 device.
  7. Check and see if you still have this issue.

4. 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.

5. 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.

6. Run the Microsoft Store troubleshooter

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

To launch it, go to Settings > Update & Security > Troubleshooter > select Microsoft Store Apps and run the troubleshooter.

windows store apps troubleshooter

7. Use System Restore

  1. Press and hold the Windows button and the X button.
  2. You will need to left-click on the System feature you are presented on the screen.
  3. Now that you have opened the System control panel you need to 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 do the system restore we suggest you write down the apps you installed after the restore point was made so that you can install them again after this process is done.

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.

FAQ: Read more about Windows errors

  • What is 0x800704cf?

In Windows 10, this 0x800704cf error code usually occurs every time you try to access Network PC, or when a Workgroup is initiated. To fix it, first, run a diagnose by using the Windows wizard. Now, if this diagnose process isn’t helpful for you, don’t despair. You can take the matter into your own hands and try to fix the 0x800704cf error code manually. Read our dedicated step by step operation.

  • Is there a problem with Windows 10?

Windows 10 is the most stable release and it has fewer problems every day. But you have to keep in mind that Windows 10 is constantly subjected to malware and virus attacks, the most important cause of Windows 10 problems. Of course, there are also issues produced by third-party software that can create errors in Windows 10 or with other software. 

  • What is error 0x80004005?

The Error 0x80004005: Unspecified error is one that can pop up for users when renaming, deleting or extracting folders in File Explorer. When the error occurs, a dialog box window pops up stating: An unexpected error is keeping you from renaming (or copying or deleting) the folder. Read our complete guide on how to solve this problem.

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  • Editor’s Note: This post was originally published in July 2018 and has been since revamped and updated in March 2020 for freshness, accuracy, and comprehensiveness.
Editor's Note: This article was originally published in October 2014 and was revamped and updated in March 2020 for freshness, accuracy, and comprehensiveness.
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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?