Hi > >>> os.spawnl(os.P_NOWAIT, "c:/windows/notepad.exe") > 1944 I don't get the correct PID. When I do os.spawnl(os.P_NOWAIT, "c:/windows/notepad.exe") I get 168 (for example), while in the tasklist appears notepad.exe with the 2476 PID. Why? Thanks Daniel