The optimizer tries to guess the best values for some of the simulation parameters. If you want to use a separate folder for this simulation, type in folder name. The folder must exist on the server. If you do not want a separate folder, leave this field blank or unchanged. You need an account on the server and some setup to use this option.
More information is available on the administration page .
Leave this box unchecked to use the guest account. Slippery when wet. Beware of the dog. Most simulations were designed for a 800x600 screen. You can still try to run them at a lower resolution if you reduce font size.