How to Fix Error Code 0x803fb005 in Microsoft Store on Windows 11

You’re not alone if Error Code 0x803fb005 appears in the Microsoft Store. Although this error can be annoying, there are thankfully a few workable solutions. We’ll walk you through each step of the troubleshooting and fixing process in this guide, so you can keep having a flawless Microsoft Store experience on Windows 11.

Method 1: Reset Windows Update

Windows adds many changes to the settings underneath the OS. With that, changes in data can lead to 0x803fb005 error. As a result, a quick guide to reset Windows updates is a must.

  • Go to the searching area of Start and type “cmd”.
  • Open CMD as the owner of the windows.
  • Inside CMD, put the following prompts:

Net stop wuauserv

Net stop cryptSvc

net stop bits

net stop msiserver

  • After you put these prompts then put another one which is this: Ren C:WindowsSystem32catroot2Catroot2.old.
  • Now a restart is required for your Windows PC. So do a restart after you reset the update via cmd.
  • When your computer restarts, go to the cmd prompt again and run the following line: wuauclt.exe /updatenow.

Method 2: Disable AntiVirus software

AntiVirus require functions that needs to block other programs like MS Store. So you have to take actions towards such third party antivirus to optimally run MS Store. You do not need to uninstall all the components of the antivirus, you just have to disable it.

How you disable your antivirus may vary depending on what software you use. However, you can generally go to the system tray and select the disable button for your antivirus. This works if your computer taskbar has access to show your antivirus in the tray context menu.

The steps to disable Antivirus require you to right-click on the program from the system tray. After right-clicking, you may see more than one disable option. The types of options differ from the duration of disabling the antivirus. You can disable it temporarily such as 10 minutes or 1 hour. If you want to permanently disable the antivirus, then you can also do it as well.

Method 3: Use the Microsoft Store App Troubleshooter

An integrated tool called the Microsoft Store App troubleshooter helps automatically detect and fix problems. To use the troubleshooter, simply follow these steps:

  • In the search box, type “troubleshoot” after pressing the Start button.
  • To access the troubleshooting window, click on “Additional troubleshooters”.
  • Go to “Windows Store Apps” and choose “Run the troubleshooter.”
  • Examine the troubleshooter’s suggested fixes, then click “Apply fix” for each.

  • Restart Windows 11 after the troubleshooter is finished.

Method 4: Reset The Microsoft Store

You can try resetting the Microsoft Store if the troubleshooter is unable to solve the problem:

  • After pressing the Start button, select “Settings.”
  • Go to “Apps” and click on “Microsoft Store.”

  • Hit the “Reset” button after selecting “Advanced options”.
  • Repeatedly clicking “Reset” will confirm the reset.

  • When the reset is finished, restart your Windows 11 computer.

Method 5: Clear Store Cache Manually

Error Code 0x803fb005 is frequently resolved by manually clearing the Store cache. Take these actions:

  • Click the Windows key + X, then select “Windows PowerShell (Admin).”
  • With a right-click, launch PowerShell in administrator mode.
  • Enter “wsreset.exe” and hit Enter after typing.
  • When the flashing cursor appears, indicating that the cache has been successfully cleared, wait patiently.

Method 6: Re-register the Microsoft Store

Re-registering the Microsoft Store may help fix Error Code 0x803fb005 if the problem continues.

  • Use the Windows key + X to launch PowerShell as an administrator, then choose “Windows PowerShell (Admin).”
  • Enter the command as follows: Get-AppxPackage Microsoft.WindowsStore -Command “& {$manifest = (PowerShell -ExecutionPolicy Unrestricted).To run the command, type InstallLocation + ‘AppxManifest.xml’; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}.
  • To take effect, restart your computer.


You should be able to fix Error Code 0x803fb005 in the Microsoft Store on your Windows 11 computer by following these thorough instructions. It’s important to follow each step in order because there may be situations where one solution is more appropriate for you than another. After applying each fix, don’t forget to restart your computer to guarantee the modifications take effect.

If the problem still doesn’t go away after trying these fixes, you might want to check for Windows updates, make sure your internet connection is steady, and do a full antivirus scan to rule out any possible malware interference. You can use your Windows 11 device to browse the Microsoft Store without any problems if you are persistent and patient.

You Might Also Like