Can't get it work

I receive some question like do you want to logged in provider site, I say yes and I receive it again and again and again...
When i comming back to my site i see this message:

Account registration using the information provided by your OpenID provider failed due to the reasons listed below. Please complete the registration by filling out the form below. If you already have an account, you can log in now and add your OpenID under "My account".
The name sample is already taken.
The e-mail address admin@admin is already registered. Have you forgotten your password?

And i haven't got sample name, i tryed to register it. It's synced user from registration...