No Drop-Down menu in Chrome for Windows 8?

I'm having a navigation problem with the site. I did have the adblock issue, but that's been sorted by whitelisting Polygon, but now I've noticed that I can't get the drop down menu to enter different sections (like the forums). There is no action when I hover over the menu (the right hand drop downs do work) and if I click It just reloads the homepage.

This is happening in both the desktop and Metro versions of Chrome.

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