How to resolve: Error Code 0x803FB107 on Windows Store

The 0x803FB107 error has been reported by many Windows users when downloading apps or games from the Microsoft Store. If you are experiencing the same problem, this post is the one you need. Techquack offers practical solutions here to help you solve the problem.

What is Microsoft Store Error Code 0x803FB107

What is Microsoft Store Error 0x803FB107

The Microsoft Store is a tool integrated into Windows 10 that allows users to get programs conveniently. However, some users complain in the forum that the 0x803FB107 error sometimes prevents them from downloading programs or games.

As you can see in the screenshot below, this error often occurs with the message “Something unexpected happened” and the code: 0x803FB107.

This problem can be caused by various factors, such as a server problem, corrupted Microsoft Store cache, etc. In your case, it may be difficult to find the exact cause of the error, but you don’t need to worry. With the help of user reports, the most common causes of this problem and the corresponding methods have been collected and are listed in the following content.

Without further ado, let’s start troubleshooting.

What causes Windows Store error code 0.803FB107

What is the cause of Windows Store error code 0x803FB107

We have researched this particular problem by going through various user reviews and trying different repair strategies that most of the affected users have successfully used to solve the problem. It turns out that many different scenarios can trigger this particular error code. Here is a shortlist of possible culprits that may be responsible for this problem:

Microsoft Server Problem – The error code may be related to a Microsoft server problem. In this case, the only viable troubleshooting guide is to confirm that the problem is beyond your control and wait for the Microsoft technicians to fix it.

Faulty Windows Update – Another possible cause of this error code is a bug that was introduced with the 1803 update. Fortunately, Microsoft has since released a fix for this problem, which should solve it completely. To take advantage of this, simply install all the expected updates on your Windows 10 computer.

Windows Store Glitch – It turns out that this problem can also be caused by a temporary glitch that occurs in Microsoft’s store. If this scenario applies, you can solve the problem by logging out and logging in to your Microsoft account associated with the store.

Corrupted Windows Store Cache – The Windows Store cache may also be responsible for this particular error message. The problem can be resolved with a security scanner or a failed update. In this case, taking the appropriate steps to reset the Windows Store cache should resolve the problem immediately.

Damaged Windows Store files – It is also possible that the problem is caused by one or more corrupt Windows Store files that cannot be reset traditionally. In this case, you may be able to resolve the problem by resetting the application through a raised Powershell window.

Damaged system files – A less common but confirmed culprit is corruption in the Windows folder. Since the Windows Store works with many dependencies, the problem will persist until you deal with the corrupted files.
If this scenario applies, the problem can be resolved by performing a repair installation.

If you are currently having trouble fixing the same error message, this article will give you some guidelines on how to fix it. In the next section, you will find a set of methods that other users in a similar situation have successfully used to fix error code 0x803FB107. Each of the possible workarounds listed below has been validated by at least one affected user.

For best results, we recommend that you follow the methods listed below in the same order in which we ranked them (we ranked them by effectiveness and difficulty). If you stick to the plan, you should eventually find a solution that solves the problem, regardless of the cause.

Before you start working with solutions, make sure you are using a wired network. Also, make sure that your system has enough hard drive space. Also, make sure that your internet is not interrupted. Above all, make sure that your system meets the minimum requirements to run a game/application from the Windows Store. Also make sure that the date, time, and time zone of your system are correct. If you use a proxy/VPN, disable it and make sure that the Windows Store is running correctly.

How can I fix MS Store error code 0x803fb107

How can I fix MS Store error code 0x803fb107
Log out and log in again to the MS Store
  • Click the Microsoft Store shortcut on the Start menu.
  • In the upper right corner of the MS Store window, click the “Account” button.
  • Select your account.
  • Select the option to log out.
  • Then click the “Account” button again.
  • Click Login, then select your account.
  • Click Continue.
Start the Windows Store App Diagnostic Utility.
  • Press the Windows + S key combination.
  • Enter the keyword “Troubleshooting” in the search box.
  • Then click the “Troubleshooting” button, which will open the settings as shown in the screenshot below.
  • Select Windows Store Apps and click Run Troubleshoot.
  • Click Apply this fix if the troubleshooter suggests a possible solution.
Resetting the Microsoft Store cache using the ordering prompt
  • Click Start
  • Click Enter here to navigate through the taskbar.
  • Type cmd to search for the command line.
  • Right-click on the command line to select Run as administrator.
  • Type wsreset.exe and press Enter.
  • Reboot Windows 10 after resetting MS Store.
PowerShell can reset Microsoft Store
  • Open the Windows 10 search box.
  • Enter the keyword PowerShell in the search box.
  • Right-click Windows PowerShell and select Run as administrator to open it with high user privileges.
  • Enter the following command:
    Get-AppXPackage -AllUsers -Name Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)AppXManifest.xml” -Verbose}.
  • You can copy this command and paste it into PowerShell using the Ctrl + C and Ctrl + V keys.
  • Remember to press Enter to execute the command.
  • Then reboot your desktop or laptop.
Reinstalling Windows 10.
  • Open the search tool and type reset keyword in the text box.
  • Click Reset this PC to open the settings as shown below.
  • Click the Start button to open the Reset This PC window.
  • Select the Save my files option.
  • Click Next to continue.
  • Click Reset.

Note: This method has the best chance of solving your problem, but it will also cause you to lose all your data. Therefore, create a backup before using this method.

Most Frequently Asked Questions

  1. Use the Windows Store app diagnostics program.
  2. Check the time on your computer.
  3. Reset the Microsoft Store.
  4. Clear the store cache.
  5. Reset Windows Update components.
  6. Change the registry for connectivity errors.
  7. Check proxy server settings.
  8. Re-register Microsoft Store.

  1. Synchronize licenses. Press and hold the Windows key on your keyboard.
  2. Uninstall the problematic applications.
  3. Create an AUInstallAgent folder.
  4. Disable your antivirus program.
  5. Disable your firewall.
  6. Run the Microsoft Store diagnostic program.
  7. Use the System Restore feature.

Method 1: Try updating or downloading again.
Method 2: Register the store again.
Method 3: Allow apps to use your location.
Method 4: Disable the proxy server.
Method 5: Use the DISM tool.
Method 6: Check the language and region settings.

  1. Run the Windows Store diagnostic tool.
  2. Reset your Microsoft Store cache.
  3. Check your date and time settings.
  4. Change the region settings on your computer.
  5. Change your Internet connection.
  6. Create a new account.
  7. Re-register the Microsoft Store application using PowerShell.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.