If you signed up for your account through the Google option, you were given a default username (or alias) at registration. You may change that username (one time) by going to https://www.on3.com/my/settings/.
If you have a problem accessing premium content or the forums, please try the following steps:
1). Log out of your account: on3.com/logout
2). Log back in at on3.com/login
If you need to reset your password, just click the link on that login page to send a link to your email.