If you need to reset your password, use the "Forgot my password" link in the footer of the website where your account was created.
Example:
If your account is on www.deascal.com, use the "Forgot my password" link in the footer of that site.
If your account is on uk.deascal.com, use the "Forgot my password" link in that site's footer.
Etc.
Follow the instructions and you'll receive an email with instructions on how to reset your password.