First, open PowerShell as an administrator.You need to remove it by making use of the PowerShell. This is the simple solution, and this works well for many users, for this user needs to go to the Windows Store and reinstall the app.
If this works then great but if not then make use of the below-given solutions:
This might also be the case behind Xbox App won’t open in Windows 10. So make sure to check for regular updates and keep Windows 10 PC updated. It is also suggested to keep Windows 10 OS updated as this is the healthy way to keep Windows OS error-free. The most prominent solution to deal with this issue is to restart your PC, in some cases, this helps the users to open the Xbox app in Windows 10. Solution to Fix Xbox App Won’t Open in Windows 10 So know how to resolve the issue Xbox app not opening in Windows 10: The Windows 10 Xbox app has many best features, but some of the users are found complaining that Xbox app won’t open on Windows 10. Windows 10 brought new features that allow the user to stream games from Xbox One to the user PC/laptop. Xbox app is the best and has various outstanding features. Microsoft’s Xbox is the well-accepted video game consoles among the others.
The latest updates have made Windows Store applications in Windows 10 PC important as the users can directly move to the store and download any application that the user wants to.