The computer doesn't know what to uninstall, can't open the calculator, can't edit screenshots, can't open txt files, and so on

open powershell, Select administrator permission to run

Execute the following code ：

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

The function is normal after repair