Answer
Starting with SWC 6.1 the client installer automatically detects if it is being installed on an endpoint or Terminal Server. If the installer is running on an endpoint it will automatically enable Remote Desktop Shell. If the installer is running on a Terminal Server, it will disable Remote Desktop Shell. This behavior is by design.
If RDP mode is not enabled on an endpoint after installation (KB 46990 for steps to determine), any terminal server applications will not be accessible. Only local execute applications will display icons on the desktop.
Follow these steps to enable Remote Desktop Shell for an EndPoint: