As players can’t open Minecraft Launcher when error 0x803f8001 arises, they can’t play the game. Are you trying to fix the same Minecraft error? If yes, you might be able to fix Minecraft Launcher error 0x803f8001 in Windows 11/10 with these potential resolutions.

1. Sign Out and Back Into the Microsoft Store

The Minecraft Launcher app is closely connected with your Microsoft Store account. Signing out and back into the MS Store app can feasibly resolve some account synchronization issues and glitches.

You can log out and back into Microsoft Store as follows.

Open the Microsoft Store window from the Start menu. Then click the profile picture at the top of the Microsoft Store. Select the Sign Out option. Click the profile circle again to select Sign in. Select your Microsoft account, and click Continue.

2. Update Windows

Alternatively, updating your copy of Windows may also fix the issue:

Press the Win + I key combination to open Settings. Click Windows Update on the left of the Settings apps. If the Windows Update tab shows optional updates are available, click the Download & install option. Click Check for updates to download and install further available updates. Then restart your PC after updating.

3. Run the Windows Store Apps Troubleshooter

As the Microsoft Launcher and MS Store are both UWP (Universal Windows Platform) apps, the Windows Store Apps troubleshooter might provide a solution. The Windows Store Apps troubleshooter can fix various app issues, which fortunately includes this 0x803f8001 error.

Here is how to launch the troubleshooter:

Launch Settings to view the System tab. Click the Troubleshoot and Other trouble-shooters navigation options in Settings. Scroll down to Windows Store Apps, and click the Run button for that troubleshooter. The troubleshooter will open and scan for app issues. Apply any potential resolutions it suggests.

4. Repair Corrupted System Files

There’s a possibility that corrupted system file dependencies for the Microsoft Store are causing an error 0x803f8001. Therefore, running a System File Checker (SFC) scan via the Command Prompt to repair files could be a potential error 0x803f8001 solution for some users.

Here is how to run an SFC scan:

To open the search box, press the Windows + S keys both at the same time. Look for the Command Prompt by entering cmd in the search box. Right-click Command Prompt in your search results and select the Run as administrator launch option. Before you run a System File Checker scan, type in this command press Enter to execute: DISM. exe /Online /Cleanup-image /Restorehealth Then input this command and hit Return to run the SFC scan: sfc /scannow Wait until the System File Checker scan is 100 percent complete and shows some kind of outcome within the Command Prompt window.

5. Reset the Microsoft Store and Minecraft Launcher via Settings

The Settings app includes a Reset option for apps that erases app data when selected. As that option can fix apps that aren’t working right, it’s recommended that you reset data for both Microsoft Store and Minecraft Launcher.

You can reset your apps in Windows 11 like this:

Open Settings with its hotkey or from the start menu. Select the Apps tab inside Settings. Click Apps & features to view your PC’s app list. Next, click the three-dot button for the Microsoft Store app. Select Advanced options to bring up the Reset button. Click the Reset option. Select Reset again on the confirmation prompt. Note that you can also select a Repair option that’s just above the Reset button. If resetting doesn’t do the trick, try selecting the Repair option for Microsoft Store. Repeat the above steps for the Microsoft Launcher app.

6. Reset the Microsoft Store Cache

The Minecraft Launcher error 0x803f8001 might occur because of a corrupted Microsoft Store cache. As such resetting that corrupted cache could be the fix you’re looking for. You can reset the Microsoft Store cache with wsreset.exe like this:

Bring up the Power User menu with the Win + X keyboard shortcut. Open Run by selecting it on that menu. Type wsreset. exe in the Open dialog box. Click OK to reset Microsoft Store’s cache.

7. Reregister the Microsoft Store via an Elevated PowerShell

Sometimes, reregistering the Microsoft Store using an Elevated Powershell does the trick. Here’s how to do that:

First, open Windows’ search box; and enter the keyword PowerShell there. Select Run as administrator for the PowerShell search result to launch that app. Copy and paste this command into PowerShell and hit Enter to execute: Get-AppXPackage WindowsStore -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($. InstallLocation)\AppXManifest. xml”} Get-AppXPackage -AllUsers -Name Microsoft. WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($. InstallLocation)\AppXManifest. xml” -Verbose} Then input this second command in the PowerShell window: Get-AppXPackage -AllUsers -Name Microsoft. WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_. InstallLocation)\AppXManifest. xml” -Verbose} Press the Enter keyboard key to run the command.

8. Reinstall the Microsoft Store

You might need to fix a corrupted Microsoft Store installation to resolve error 0x803f8001. Reinstalling Microsoft Store will likely fix such an issue. However, you can’t uninstall that app via Settings. To reinstall it, you’ll need to enter a couple of PowerShell commands like this:

Open PowerShell as covered in steps one and two of resolution seven. To uninstall Microsoft Store, input this command and hit Enter: Get-AppxPackage -allusers WindowsStore | Remove-AppxPackage Restart Windows before reinstalling MS Store. Bring up PowerShell, and input this command: Get-AppxPackage -allusers WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_. InstallLocation)\AppXManifest. xml”} Press the Enter keyboard key to reinstall Microsoft Store.

9. Reinstall the Minecraft Launcher App

A lot of users have confirmed that reinstalling the Minecraft Launcher app fixes error 0x803f8001. So, maybe you should try that as well! This is how you can reinstall the Minecraft Launcher:

Open the Settings window. Select Apps > Apps & features to open a software list. Scroll down to Microsoft Launcher, and click the button with three dots on the right of that app. Select the Uninstall option to remove Microsoft Launcher. Click the Restart Start menu option before reinstalling the app. Open Microsoft Store by clicking that app’s Start menu shortcut. Type Minecraft Launcher in MS Store’s search tool. Click Minecraft Launcher in the search results. Press the Get button for the app. Then click Minecraft Launcher’s Play option in Microsoft Store.

Get the Minecraft Launcher Error 0x803f8001 Fixed

Those are some of the potential resolutions with which players have fixed Minecraft Launcher error 0x803f8001 in Windows 11/10. So maybe, just maybe, one of those fixes might resolve that error on your PC too. We don’t promise those potential error 0x803f8001 solutions are guaranteed to work for all players, but they’re worth a shot at least.