[Xitami] problem w/ passwords

> I have a problem with passwords, lets say for like /admin, i cant add 
> another password, or chagne the current one, i cant even do it for 
> /private or anything.  could someone help me?

actually it's a problem. i tried to change defaults.aut file with text

[/Admin]
    username=password

but it doesn't work for me though. they ask for password and when
i type these two - they say it's incorrect! where's the problem?