Apple Wireless Keyboard [pressed key]

Hi,
I am having problems with my Apple Wireless Keyboard. It is acting like if there is a pressed key all the time.
It is difficult to explain it, so here is a video: http://screencast.com/t/jtQ7K92qAvk
Any tips on how to solve it?  I think this is a hardware issue but I am not sure.
Thanks

Hi,
Well, I'm having the same issue with my apple wireless keyboard (MC184BZ/B).
Here's a print of what I'm seeing with the Keyboard Viewer.
As I haven't accidentally dropped or spilled anything on the keyboard and there are more people with the same issue. It looks like a firmware problem.
My system is an MacBook Pro (Retina, 13-inch, Early 2013) with OS X Yosemite 10.10.2.
Regards,
Bruno

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