Unlike specific fixes for just the Microsoft Store or Calculator, this is "Generic," meaning it targets the underlying UWP framework to fix any app following that architecture.
It can often scrub corrupted cached data in the C:\Users\[User]\AppData\Local\Packages directory that standard "Reset" buttons in Windows Settings miss. MfW10_Fix_Repair_UWP_Generic.rar
Most Interesting Feature: One-Click Registry & Package Re-registration Unlike specific fixes for just the Microsoft Store