Failed to delete the Windows Server Failover Clustering (WSFC) registry value corresponding to name '%1!s!' (Error code %2!s!). ...

Failed to delete the Windows Server Failover Clustering (WSFC) registry value corresponding to name '%1!s!' (Error code %2!s!).  The WSFC service may not be running or may not be accessible in its current state, or the specified arguments are invalid.  For information about this error code, see "System Error Codes" in the Windows Development documentation.