If you cannot sign into your Alibaba.com account with correct ID and password, here are some suggestions:
1. As the password is case sensitive, please check if ‘Caps Lock’ on your keyboard is on. Please try to copy and paste the password to sign in and make sure you don’t enter blank spaces before and after your password.
2. Please clear your browser cookies or change a browser to have a try.
3. Please try to retrieve your password to see if a new password can resolve it.