Basically what is going on is they allow you to authenticate with your normal FTP account information but somewhere along the line during a transfer they check the credentials again. If your password is not a strong password, they drop the connection. This would then happen over and over and over. By changing your FTP account password to a new stronger one, the problem immediately goes away.
See this article here at http://www.coffeecup.com/help/articles/ … -designer/ for further explanation.
Because GoDaddy is making other changes to their server, you may want to read this article on GoDaddy email issues.
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