The Software License and Service Agreement will be updated. Please follow this link [https://www.activision.com/legal/ap-eula] in order to see these changes.
Invalid Email or Password Combination Error Message
Error Message: Invalid Email and Password Combination
This error message will display if you typed your email address or password incorrectly.
Email addresses
The service uses your email address as your login, so when logging in, be sure you are using the correct email address. It will be the same one used to sign up for the service, which may differ from the email address used to create your Xbox Live or PSN account.
Passwords
If you have forgotten your password, you can reset it.
If you are certain you are entering the correct information but are still unable to log in, please try a different browser or try clearing your current browser's cache and cookies.