What do you mean by it doesn't work?
You can type in your E-Mail Address instead of your Username if you forgot your Username, and simply type in your Password. Once you log in with your E-Mail Address and Password, your Username will be displayed.
If you forgot your Password, click on the Forgot my Password button on the AriesMS Website.
If you forgot your E-Mail Address, log in with your Username and Password, and a preview of your E-Mail Address will show up.