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24 January 2024  John Weaver  Senior Program Developer
 

Summary
Discover effective solutions to fix the 0x80073CF9 error and safeguard your computer data with ease. Read on to learn more.



Table of contents

table iconI. What is 0x80073CF9 error? Why does this error occur?
table iconII. Use Renee Becca to protect computer data before repairing faults
table iconIII. How to solve the 0x80073CF9 error?
0x80073CF9

I. What is 0x80073CF9 error? Why does this error occur?

The 0x80073CF9 error usually appears when you try to download, install, or update an application through the Windows Store. Once this error occurs, it will prevent the application from installing properly; it cannot be resolved by restarting the device normally.
0x80073CF9 error
This error may stem from multiple factors such as file system corruption, application failure, a missing AUInstallAgent, or antivirus interference. To avert the risk of data loss during repair, it is prudent to employ professional data backup tools to protect critical files prior to undertaking any corrective measures.

II. Use Renee Becca to protect computer data before repairing faults

1. What is Renee Becca?

Renee Becca, a backup and restore tool with advanced incremental/differential backup technology, efficiently saves time and disk space. It supports backing up and restoring critical computer data like programs, system settings, emails, photos, videos, documents, and bookmarks. Its features include system, partition, hard disk, and file backup, as well as disk cloning and system migration to cater to various requirements. Learn more.
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2. How to backup data with Renee Becca?

Step 1: DDownload, install, and run Renee Becca on the computer. Select the (File Backup) option in the main interface.
click to back up files in renee becca
Step 2: Select all the files that need to be backed up in (source), and select the hard disk to store the backup in (destination).
back up file
In addition, using Scheduler, you can make a daily/weekly/monthly automatic backup plan. Click (OK) to enable the automatic backup.
file backup schedule on Renee Becca
In the (Backup scheme), you can choose a suitable backup mode from Scheme Type according to your individual needs. Renee Becca offers 5 backup schemes, including version chain mode, single version mode, full mode, incremental mode, and differential mode.
backup mode of file backup on Renee Becca
Renee Becca offers 5 backup plans:
Version chain mode: Only the latest 5 versions are kept, and useless old versions are automatically deleted after the backup is completed.
Single version mode: Only the latest version is kept, and the previous version is automatically deleted after the backup is completed.
Full mode: Creates a full backup.
Incremental mode: After the initial full backup, only incremental backups are created.
Differential mode: After the initial full backup, only differential backups are created.
Step 3: Finally, click the (Backup) button to start the file backup.
You can see the progress of all backups from Task. After the backup is complete, you can click the (Recovery) button to restore the file to the specified disk.
restore the backup
Step 4: After that, select the location where the files are to be restored, and click the (Recovery) button.
files recovery location
Next, let’s learn how to fix the 0x80073CF9 error.

III. How to solve the 0x80073CF9 error?

1. Uninstall the app and install the new version

Error 0x80073CF9 can occur when an application is installed incorrectly or is not compatible with the system. At this time, you can try to uninstall the program and reinstall the new version to solve the current problem. The specific steps are as follows:
Step 1: Run the computer, click the (Start) button in the lower left corner, and click Settings (the small gear icon).
settings in Windows
Step 2: Navigate to the “Settings” menu, and select “Application” to access its options. On the left panel, choose “Apps and Features”, find and click on the problematic application, and click “Uninstall” to remove it. Once uninstalled, re-download the application from the official source.
Windows 10 uninstall apps

2. Add AUInstallAgent folder

The 0x80073CF9 error may be caused by the lack of the AUInstallAgent directory in Windows. At this time, you only need to re-add the AUInstallAgent folder. The specific steps are as follows:
Step 1: Run the computer, and double-click on the “This Computer” icon on the desktop. Open the disk where Windows is installed (usually the C drive), and then double-click on the (Windows) folder to open it.
Windows folder
Step 2: After that, right-click on the blank area to create a new folder named (AUInstallAgent). After that, restart the computer and check if the problem is resolved.

3. Uninstall third-party antivirus software

Ensuring your computer’s security is paramount, and whileantivirus software plays a significant role in protecting your system, itmay occasionally obstruct important application updates by erroneously identifying them aspotential threats. To mitigate this issue, you may needto uninstall the third-party antivirus software. Follow the instructions below:
Step 1: Run the computer, click the (Start) button in the lower left corner, and click Settings (the small gear icon).
settings in Windows
Step 2: Navigate to the “Settings” menu, and select “Application” to access its options. On the left panel, choose “Apps and Features”, find and click on the problematic application, and click “Uninstall” to remove it. Once uninstalled, re-download the application from the official source.
Windows 10 uninstall apps

4. Perform Windows update

If the Windows update is not installed in time, the 0x80073CF9 error may also appear. At this time, you can also try to solve it by manually updating Windows. The specific steps are as follows:
Step 1: Run the computer, click the (Start) button in the lower left corner, and click Settings (the small gear icon).
settings in Windows
Step 2: To check for available updates on your system, first go to Update and Security. Once there, click on the Windows Update tab. If updates are available, you can begin the process by clicking on Download. In case you come across the Check for Updates button, click it to look for any outstanding updates.
Windows Update Check