You can click on Forgot Password link to reset your password from the login screen. We will send the new password to your registered email address. Try to login with the new password.
If the issue still persists, drop an email to email@example.com with the issue details.
Please check whether you are using the same email, which was used for purchasing/using the access code. Check for the course in your My Courses section. If the course is still not available, please drop an email to firstname.lastname@example.org
For any other issues, please drop an email to email@example.com with the complete issue details.