Best Answer Kodalem, 01 July 2014 - 03:12 PM
You need to use the same email address you signed up with here on the forums to login with ingame otherwise it won't work.
I know, this is why I wrote these notes...
And you need to set a C&C:Online password in your user settings.
Where?
EDIT:
FOR FUTURE, THIS PROBLEM IS SOLVED BY SETTING A PASSWORD IN YOUR
General Account Settings IN THE LAST TAB Go to the full post