In Windows Cargador can be installed as a system service. To do that, you should run the following command as an administrator (in Windows Vista/7 you should use the Run As Administrator menu item):
Besides, you can set a username and a password for the account Cargador should work with using command line keys --service_as_user и --service_as_passwd.
You can remove service from the system with the following command:
Make sure that launched process has a write permission in folders containing the catalogue and the log files.