Microsoft Store is a Windows built-in app.
you could use it to download programs and games when necessary.
To solve the issue, you may need to reinstall Microsoft Store.
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However, you should discover that you cant use the normal method to uninstall and reinstall Windows Store.
If you dont know how to reinstall Microsoft Store, this post is helpful for you.
How to Reinstall Microsoft Store on Your Windows 10 Computer?

We will show you a guide in this part.
It refers to some command lines.
you gotta confirm that you are using the right command lines during the Windows 10 Store reinstallation process.
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The following screenshot is an example.
An internal error occurred with error 0x80070002.
Package could not be registered.

Merge Failure : error 0x80070003 : Cannot register the Microsoft.WindowsStore_2015.23.23.0_x64__8wekyb3d8bbwe package because there was a merge failure.
The above issue notification means that the Microsoft Store package folder is missing or damaged.
No matter which warning pop-up you receive, you cant reinstall Windows Store using PowerShell.

it’s crucial that you use another method to do the job.
you gotta download the Microsoft Store appx bundle/package from Microsoft and then install it on your gear.
Go tohttps://store.rg-adguard.net/.

Copy and paste the following URL to the URL text box:https://www.microsoft.com/en-us/p/microsoft-store/9wzdncrfjbmp.
- grab the.NET Framework, .NET Runtime, andVC Libsfiles to download.
you should probably download the correct version according to the bitness your setup is using.
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For example, Im using 64-bit operating system, I need to choose the files for 64-bit operating system.
Thank you for the suggestion fromAugustus.
Run each .appx file.
- launch the appxbundle file.
you oughta download it again.
After these steps, Microsoft Store will be reinstalled on your machine.
you’ve got the option to go toMicrosoft Store > Settingsto check the version you are using.
After this post, you should know how to reinstall Microsoft Store on your Windows computer in different situations.
Should you have any other issues, you’re free to let us know in the comment.