How to resolve Minecraft error code 0x803f8001 and fix "Minecraft Launcher Installer" not running issue?

What is error 0x803f8001?

One of the many Windows error codes, error 0x803f8001 is an error that can occur when users try to install apps from the Microsoft Store. This is mostly a software-related error where you struggle to install apps from the Microsft store, often forcing you to use official or third-party websites instead. It's OK to use the official website, but not for third-party websites.

Here’s how to fix error 0x803f8001 when installing Minecraft from the Microsoft Store.

What causes error 0x803f8001 in the Minecraft Launcher installer?

Error 0x803f8001 is a very common low-level error that may be caused by a variety of factors, large and small, but the most common ones are:

• Outdated Windows operating system
• The corresponding application is not available in the user's region
• Problems with the application itself
• Problems with the Microsoft Store

Although less likely, Sometimes this problem can also occur due to a virus attack on your computer or the interference of an antivirus program.

How to Fix Minecraft Error 0x803f8001

Follow the steps mentioned below to fix error 0x803f8001 in Minecraft Launcher installer.

Method #01: Update Windows

The most likely cause of the error is probably an outdated operating system, so let’s try to fix it first. However, if you want to try other fixes first, you can certainly do so.

Go to the desktop and click the Windows icon in the lower left corner of the screen to launch the Start menu.

Click Settings to enter the settings menu.

Click Update & Security to launch the updates menu.

Let Windows check for available updates by clicking Check for Updates.

Any updates that apply to your operating system will begin downloading and installing on their own, but you may need to click "Download and Install" under some other updates " button. After installing the update, you may be prompted to restart your PC to complete the update, so please restart your PC to complete the update.

Method #02: Reset Microsoft Store Cache

Press the Windows R key combination to launch the Run menu.

Type the command given below in the field.

Reset Tool

Click Ok to execute the command.

This will launch a command prompt that will reset the Microsoft Store cache and launch the store, but you will need to restart your computer for best results.

Method #03: Change your region to the United States

Click Time and Language on the Settings page to enter the Time and Language Settings menu.

Head over to the Region Settings by clicking on the Region under the Date and Time option.

Click the drop-down menu under Country or region and proceed to select a new region.

Select United States from the options to change your region to United States.

Method #04: Install the Old Launcher

Follow the link to the Minecraft Launcher download page and click Download Windows 7/8 to initiate the download.

Click Save to save the installer file to the location of your choice.

Launch the installer by double-clicking the Minecraft launcher installer file.

Click Next to continue.

Change the installation location, or click Next to continue the installation.

Start the installation by clicking on Install and allow permission by clicking on the Yes Allow screen.

Click the box next to Uncheck the box for launching Minecraft.

Click FinishClose the launcher.

Compatibility fix for running old launchers:

The old launcher was built for Windows 7 and 8, so It can cause problems on Windows 10 and 11, so we'll be running a compatibility fix to make it compatible.

Right-click on the Minecraft Launcher shortcut to open the context menu.

Click "Compatibility Troubleshooter" and go to the compatibility fix.

Click Troubleshooter to open the manual troubleshooting option.

Check the box next to the first option by clicking the box associated with it This program works in earlier versions of Windows.

Click Next to enter Next step.

Click Windows 8 to continue.

Click Next to let Windows apply the required compatibility settings.

Click "Test Program" to continue. This will launch the Minecraft launcher, just close it or leave it in the background.

ClickYes, save these settings for this programSave the changes.

Finally, click Close to close the troubleshooter.

You can now easily launch Minecraft from the launcher and play it without any issues like before.

• This may not be necessary, but you can try running a full PC scan with antivirus software to eliminate the possibility of any viruses causing the problem.
• After you install the launcher and test it, you can follow the same steps to revert to the original locale.
• It is recommended that you do not install the Minecraft launcher from the Microsoft Store, always download it from the Minecraft website.

FAQ:

The Minecraft launcher installer from the Microsft store does not work. what to do?

You can download the old launcher from the Minecraft website and see if it solves the problem for you. The problem is mostly with the launcher, but depending on your computer, there may be another issue. So, try following the above steps to fix your Minecraft launcher installer and enjoy Minecraft again.

Do I always need to keep my region set to the United States to play Minecraft properly?

No, you don't always need to keep your region set to the United States to play Minecraft properly. After installing Minecraft, you can revert to your original locale. The problem occurs before installation, so it doesn't matter much if your locale doesn't match after installation.

Will my upgrade to Windows 11 cause error 0x803f8001 in Minecraft?

No, your upgrade to Windows 11 will not cause error 0x803f8001 in Minecraft. There's a small chance that the upgrade caused the error, but it could be an issue if you didn't update Windows 11 after the upgrade. The actual problem is mostly caused by the improved launcher mentioned above, in which your operating system plays a small role.

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