Hello,
Try to re-register Settings app:
- Open administrative Windows PowerShell.
- In PowerShell window, type/paste following cmdlet and press Enter key:
Get-AppXPackage -AllUsers -Name windows.immersivecontrolpanel | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml” -Verbose}
Let the command complete.
Reference: https://www.kapilarya.com/fix-settings-app-not-working-in-windows-10
Let us know if this helps!
Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.