Hi,
I don't know what's wrong with your computer, but i am able to see the Facebook Like box right now (both in your website and in our DEMO)
Make sure you are not using 3rd party plugin which might block the social media contents
(for instance, AdBlock Plugin for Firefox blocks the Adsense sponsor links in google search results. Maybe you are using something like AdBlock Plugin that blocks Facebook and twitter buttons.. I don't know... try use a different browser or disable the browser plugins)
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Regards,
Support