Hi, I Had the plesk 7.5.5 installed in the windows standart 2003, and I updated for the plesk 7.5.6, but of the the problem, when I try to access a registered domain, he asks for password to access the site. and it is not permission problem, I already verified. To return the plesk for the version 7.5.5, would it solve? If yes, as I make that? Please help me... Thank you!!!