Niels Diepeveen schreef: > procdata = _PyOpenProcs[id(file)] > procdata[1] = procdata[1] - 1 > if procdata[1] == 0: > exit_code = GetExitCodeProcess(_PyPopenProcs[id(file)]) ^^^^^^^^^^^^^^^^^^^^^^^ Should of course be procdata[0] -- Niels Diepeveen Endea automatisering