Im not sure I fully understand. You say you need to signup with a new account yet the account your posting from has 41 posts and a join date of Jan 05. If your not getting auto logged in then it most likly is a security restriction on your pc
thats not permitting the writting and storing of the required cookie.
Are you saying that every time you visit you must requrest a new password because your previous password is not being reconized? When you change your password you may also need to enter your e-mail address as conformation. We as admins have no way of looking up your password. Its stored in a database in encrypted format.