AutoIt is a simple tool that can simulate key presses, mouse movements and window commands in order to automate any windows based task. It was primarily designed to assist in automatically installing software that cannot be automatically installed by other means. This is most useful during a PC rollout where thousands of client machines need to be automatically installed. However, AutoIt can also be used as a general purpose scripting language.

RunAs Professional is a substitute for Microsoft's command runas.
RunAs Professional solves the problem that normal runas does not support the commandline parameter password.
RunAs Professional has a lot of more options and features:
You culd build crypted files. Only doublecklick on such a file and a choosen application will run with admin-rights.

If you have ever used RunAs utility then SafeLauncher is the best choice for you. It lets you organize your favorite applications and provide a fast and simple way to run them under Windows account you specify. Futhermore it may greatly help you to increase the protection level of your computer. You may run any program (Internet Explorer, ICQ, etc) under the guest account while still working under the account with administrator's privileges.