In an elevated command prompt:
FOR %F IN ("%SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientTools-Package~*.mum") DO (DISM /Online /NoRestart /Add-Package:"%F")
FOR %F IN ("%SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientExtensions-Package~*.mum") DO (DISM /Online /NoRestart /Add-Package:"%F")
Next do these steps:
Disable Background Apps for all users with Group Policy Editor
1. Enter gpedit.msc into the Run text box by pressing Win + R.
2. Navigate to "Computer Configuration\Administrative Templates\Windows Components\App Privacy"
3. Double-click the "Let Windows apps run in the background" policy in the right pane.
4. Select the "Disabled" choice, then select "Apply" and "OK."