Try to re-register Settings app:

1. Open administrative Windows PowerShell.

2. 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}

3. Let the command complete.
good luck