"Franz GEIGER" <fgeiger at datec.at> wrote in message news:9hf868$941$1 at newsreaderg1.core.theplanet.net... > Did you try os.system()? > > Regards > Franz > Yes. If I do >>> system("notepad") notepad launches and I get a return code of 0. However, if I do: >>> system("C:\Program Files\KeyNote\keynote.exe") I get a return code of 1 and nothing happens.