On a Windows 10 based the 'Windows Shell Experience Host' app, cannot be re-installed (re-registered) by using the "Add-AppxPackage" PowerShell command, with error: "Microsoft.Windows.ShellExperienceHost Deployment failed with HRESULT 0x80073D02. The package could not be installed because resources it modifies are currently in use" (Event ID 401, 404, 419).
The deployment error 0x80073D02 can appear, when you try to re-register all the Windows 10 built-in apps* or, when you try to register only the "Windows Shell Experience Host" app**: