Work your way through the list of solutions below, and in most cases, you should be able to fix the error relatively quickly.
Restart Your Computer
Restart Your Computer
If the Microsoft Store worked correctly just a moment ago, you’re likely dealing with a minor technical glitch. Restarting your computer should help eliminate it, so try that before diving into the remaining fixes.
Reset Microsoft Store Cache
Reset Microsoft Store Cache
The Microsoft Store speeds things up by creating temporary files and saving online content locally. However, an outdated cache can prevent it from functioning normally. Try deleting it.
Reset the Microsoft Store
Reset the Microsoft Store
Resetting the Microsoft Store allows you to revert the program to its defaults. You can do that using Windows 10’s Settings app.
Re-Register Microsoft Store
Re-Register Microsoft Store
If restarting your computer didn’t help fix the issue, you must re-register the Microsoft Store. That involves running a specific command via an elevated Windows PowerShell console.
Reinstall and Re-Register All Microsoft Store Apps
Reinstall and Re-Register All Microsoft Store Apps
Re-installing and re-registering the Microsoft Store and all Microsoft Store-related apps can also help fix the “You’ll need a new app to open this ms-windows-store” error. The procedure can take several minutes to complete.
Reinstall and Re-Register All Microsoft Store Apps With Unrestricted Execution Policy
Reinstall and Re-Register All Microsoft Store Apps With Unrestricted Execution Policy
If the tip above does not work, you must run the same command with an unrestricted execution policy.
Run Microsoft Store Troubleshooter
Run Microsoft Store Troubleshooter
Windows 10 comes with an integrated troubleshooter that can help resolve general issues with the Microsoft Store, including apps that you download off it.
Install Operating System Updates
Install Operating System Updates
If the “You’ll need a new app to open this ms-windows-store” error persists, try updating Windows 10. That should resolve any known bugs with the operating system and provide the Microsoft Store with a stable platform to run on.
Set Correct Date, Time, and Region
Set Correct Date, Time, and Region
Running Windows 10 with an incorrect date, time, or region can also result in Microsoft Store-related issues.
Perform SFC Scan
Perform SFC Scan
Running the System File Checker (SFC) helps you repair corrupted files related to Windows 10. It’s a command-line tool that you can run via Windows PowerShell.
Run the DISM Tool
Run the DISM Tool
The DISM (Deployment Image Servicing and Management) tool is another command-line utility that resolves stability-related issues in Windows 10.
Revert Windows Using System Restore Point
Revert Windows Using System Restore Point
If you’ve enabled System Restore in Windows 10, try reverting the operating system to a time when you didn’t encounter the “You’ll need a new app to open this ms-windows-store” error.
Reset Windows 10
Reset Windows 10
Restoring Windows 10 to its default settings is a way to deal with severe underlying issues behind the “You’ll need a new app to open this ms-windows-store” error. It’s a radical solution to the problem, but you can choose to keep personal files intact during the reset procedure. Regardless, you must back up your data before proceeding.
