_RunWithReducedPrivileges An odd thing about Vista+ O/S's is that, once you run a process in elevated privileges mode, you can't run other processes in lower-privileged modes. Why, you ask, would that be important? Sometimes you want - or need - to limit the privileges of a process: A very common scenario for me is drag-and-drop. Windows' Explorer does NOT allow this to occur between lower privileged processes (like Explorer itself!) and other processes. This is very frustrating for users in