The Microsoft Store has never been without issues, only recently there was a bug which prevented users from using the service with error code 0x00000194 and now some of us are facing another problem with the Store not being able to download and install apps.

When trying to download an app from the Microsoft Store, users are facing installation issue with the Store returning error code 0x803FB005. The issue has been reported by several users on the community forums. Microsoft has acknowledged the issue and has marked it with the “Looking into it” tag.

Until Microsoft itself fixes the problem, here are a few things you can try to fix 0x803FB005 error code in Microsoft Store yourself.

Sign out and Sign in and from Microsoft store

  1. Open the Microsoft Store.
  2. Click on your Profile Picture in the top-right corner, and then select your account.
  3. A pop-up window will open, click on the Sign Out link.
  4. Once signed out, Sign In to your account again.

Now try to download any app from the store, if you’re lucky, the app will install without issues. If not, follow the other fixes mentioned below.


Restore your Microsoft Store’s cache

  1. Close your Microsoft Store app if it’s already open.
  2. Press “Win + R” on your keyboard, type wreset into the Run box and hit enter.
  3. Now open the Microsoft Store again and try to download an app.

Run the Windows troubleshooter

  1. Click on the Start menu, type Troubleshoot settings and select it.
  2. Scroll down to the bottom of the Troubleshoot settings page, you’ll see Windows Store Apps option, select it.
  3. Click on Run The troubleshooter.

If the problem persists even after running the troubleshooter, try re-registering all Store apps.

Re-registering All Store apps

  1. Right-click on Windows Start » and select Windows Powershell (Admin).
  2. Issue the following command in the Powershell:
    Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
  3. Click Enter and Restart your computer.

If you’re a Windows 8 user, you should also check whether your Proxy Setting is ON or OFF. Because, as a Microsoft agent said, Windows 8 Apps cannot connect to the Internet and work properly if Proxy Setting is enabled. So, make sure you disable it.

  1. Press  + R on your keyboard, type inetcpl.cpl into the Run box and hit enter.
  2. Click on Connections tab, and then click LAN settings.
  3. Uncheck the Use a proxy server for your LAN checkbox and click OK.

That’s everything we know about fixing the 0x803FB005 error in Microsoft Store. Hope the fixes shared here help you.

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