It's more a problem in the launcher...
It gets blocked I can't write neither e-mail or the password
You have done both these things below ?
•Computer settings•Right click on the clock in the right hand bottom corner and click ‘Adjust Date/Time’.
•Click ‘Change time zone…’ and ensure that you are using the right time zone.
•Close this window.
•Swtor.com account•Go on http://www.swtor.com
•Click ‘Login’ and enter your credential.
•Click ‘my account’ and ‘Basic Information’ in the right menu.
•You should be able to check the Time Zone settings in this view.
•Ensure that the time zone setting matches the Windows time zone settings.
•Click on ‘Save’ if you modify any settings in this view.