Where is the login: If you don't see the login,
you may have Javascript enabled. Please make sure it is disabled.
Click on the onion-button and select 'Privacy and Security Settings'.
Now move the slider to 'High', and reload the page.
Also verify that 'hide <noscript> elements' is unchecked.
(noscript button -> advanced ->untrusted).
If you still see this message download and install TorBrowser again.