Quick Summary
The error code 0x80073cf9 typically indicates an issue with installing, updating, or launching apps from the Microsoft Store on Windows. This error often arises due to corrupted system files, problems with the Windows Store cache, or other conflicts preventing proper installation or execution.
Common Causes
- Corrupted Windows Store Cache: The Windows Store cache can become corrupted, leading to errors during app installation or updates. This is because the cached data is used to speed up the process, and corruption can cause conflicts.
- Corrupted System Files: Important system files required by the Microsoft Store may be damaged or missing. This can occur due to disk errors, improper shutdowns, or malware infections.
- Conflicting Applications or Services: Other applications or services running on your system might be interfering with the Microsoft Store's functionality. This could be due to resource conflicts or software conflicts.
- Incorrect Date and Time Settings: Incorrect date and time settings on your computer can cause issues with the Microsoft Store, as it relies on accurate time synchronization for security and licensing purposes.
- Firewall or Antivirus Interference: Your firewall or antivirus software might be blocking the Microsoft Store from accessing the internet, which is necessary for downloading and installing apps.
Step-by-Step Fixes
Method 1: Reset the Microsoft Store Cache Show Steps ↓
Step 1: Press the Windows key + R to open the Run dialog box.
Step 2: Type wsreset.exe and press Enter.
Step 3: A blank Command Prompt window will appear for a few seconds. Wait for it to close automatically.
Step 4: The Microsoft Store will open automatically. Try installing or updating the app again.
Method 2: Run the Windows Store Apps Troubleshooter Show Steps ↓
Step 1: Press the Windows key + I to open the Settings app.
Step 2: Go to Update & Security > Troubleshoot > Additional troubleshooters.
Step 3: Find and select Windows Store Apps, then click on Run the troubleshooter.
Step 4: Follow the on-screen instructions to complete the troubleshooting process.
Method 3: Check Date and Time Settings Show Steps ↓
Step 1: Press the Windows key + I to open the Settings app.
Step 2: Go to Time & Language > Date & Time.
Step 3: Ensure that Set time automatically is turned on. If it's already on, toggle it off and then on again.
Step 4: If the time zone is incorrect, change it to the correct one.
Step 5: Restart your computer.
Method 4: Run System File Checker (SFC) Show Steps ↓
Step 1: Type cmd in the Windows search bar, right-click on Command Prompt, and select Run as administrator.
Step 2: Type sfc /scannow and press Enter.
Step 3: Wait for the scan to complete. This may take some time.
Step 4: If any errors are found, follow the on-screen instructions to fix them.
Step 5: Restart your computer.
Method 5: Re-register the Microsoft Store Show Steps ↓
Step 1: Type powershell in the Windows search bar, right-click on Windows PowerShell, and select Run as administrator.
Step 2: Copy and paste the following command into the PowerShell window and press Enter: Get-AppXPackage *Microsoft.WindowsStore* -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Step 3: Wait for the command to complete. This may take some time.
Step 4: Restart your computer.
Method 6: Disable Proxy Settings Show Steps ↓
Step 1: Press the Windows key + I to open the Settings app.
Step 2: Go to Network & Internet > Proxy.
Step 3: Make sure that Automatically detect settings is turned on. Turn off 'Use a proxy server'.
Step 4: Restart your computer.