How can I get help with logging in through the GCX (The KEY) option?

It's possible you don't already have an account.  If this is the case, click on the "Sign Up" tab.

If you can't remember your password, click on "Forgot your password?".

If neither of these options work, click on the "Help" tab to learn about more support options. 
   Currently the "Help" tab links you to: https://getsatisfaction.com/gcx/products/gcx_gcx_identity (more ideas below)

If you already have an account on this website, you might try using a self-help option to login directly to this website via this link:  https://www.tntware.com/tntmpd/login.aspx?ReturnUrl=&auto.openid.immediate=&Type=Help