I always publish my Website correctly and today publication fails each time.
The last thing you have to do is changing your connection parameters! Just try to publish your Web site later. Your web hosting service may have temporary problems. Be patient!
Different error messages can appear:
Wrong password
Unexisting folder
Closed connection
Do not take any notice of these errors and try again to publish later.
If you are still facing this kind of problem, try to contact your hosting provider to have more information.