Hello, I'm Louie, and I'm happy to help you today. Hope you're doing well and safe there. I'm sorry that you're having trouble with Minecraft I would suggest you to try each solution below to fix the issue.
Solution 1 - Run Windows App Troubleshooter:
Windows Key+X > Click Settings > Click Update & security > Click Troubleshoot > Scroll down to the bottom > Click Windows Store Apps > Click Run the Troubleshooter
Solution 2 - Check for App Updates in MS Store Hub (three dots at top right of Store app) > Downloads & Updates.
Solution 3 - Try to Reset or Repair the app
Go to Windows Settings > Apps > Apps & Features > [Name of App] > Advanced Options > Reset or Repair. Restart PC.
Solution 4 - Reset Windows Store through Command Prompt
Type cmd in Windows Search box > Right click on Command Prompt > Run As Administrator > Type WSreset.exe and click Enter > Reboot your computer
Solution 5 - Re-register All Store apps (If get many Reds, you can just ignore it)
Windows Key+X > Windows Powershell (Admin) > Copy the following from below and right click in Powershell to paste > Enter > Restart your computer
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Solution 6 - Uninstall the app then restart PC, reinstall the app from MS Store Hub (three dots at top right of Store app) > My Library.
Hope this helps and looking forward for good results.
Kind regards,
Louie