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When I enter a command quickly, it will sometimes duplicate my input into the command line. Example: after selecting, if I press "m" for move, and quickly follow it with spacebar to confirm, I will be prompted to enter a base point. Sometimes, it will input an "m" in the command line in the place where I'm supposed to enter the point. I then have to backspace it before I can pick a point. This is happening with other commands too. If I type "line" then follow the last letter quickly with a spacebar (or enter), it will ask me for the line startpoint, with the prompt immediately followed by "e" (which is the most recently input character). It seems to happen more often if I have something already selected, and I have only seen it happen when a command is requesting a point. It isn't reliable, meaning it doesn't happen every time for any command. I thought it was a problem with the keyboard because it recently had liquid spilled on it, but I tried plugging another one in and it also acted exactly the same. It's a new problem that I've never seen before today. I can't get it to happen in any other programs, so I don't think it's my input. It also happens when I open a new drawing. It doesn't happen, however, on any other computers here, only mine. I thought it might be a LISP interaction, but it continued even after disabling all custom routines. Despite being a minor issue, it's slowing me down dramatically. For reference, I've attached an image of what's happening. I didn't enter the "c" in the command line, except previously when entering "sc". Has anybody ever had this happen before, and do you know of a possible cause/solution?