If you are receiving the message unable to authenticate it will mean that the password entered is incorrect.
To reset your password - please see the below steps:
1. Go to Log In
2. Click Forgot your Password
3. Enter in your email address
4. Once you received the email (be sure to check your Junk/Spam folder), you will need to enter in a new password
Still having trouble? Please Submit a Request and let us know what is happening (error message/screenshots)