That's something I discovered the other day on my pc. At some point during the last year or so, I accidentally assigned a macro to the C key that did nothing bu

That's something I discovered the other day on my pc. At some point during the last year or so, I accidentally assigned a macro to the C key that did nothing but press the C key, so it was pretty much impossible to notice during normal use, except that holding it down behaved out of the ordinary.