Hello, zuzulo:
Thanks for including your sync status; it’s very helpful. It’s indicating that either the email address or the password you have entered into the EndNote preferences is incorrect.
Please go to Edit>Preferences (or EndNote>Preferences if this is Mac) and choose sync. Please retype the email address and password here. Then click OK and try the sync again.
If this still fails, please go to http://my.endnote.com and use the Forgot Password link to reset the password. Then enter the new password into the EndNote preferences as described above.
If this still fails, please contact our support team.