Try disabling it. This is likely the reason, especially if you don't see a "login" button.
In Facebook, from the menu in the top right corener:
Click "Privacy Settings" -> Blocked People and Apps -> And make sure NetworkedBlogs is not blocked.
As a test, try accessing this page with a different browser. If it works, then there's something in your extensions or settings that is causing the issue.
If that doesn't fix it, email us at info@ninua.com.
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