I've run out of ideas on how to track this issue down. I have an evoluent verticalmouse4 (vm4) that has problems on my desktop win7 pro machine randomly missing clicks. Right clicks, left clicks, doesn't matter what button. The average ratio seems to be about one in every 20 clicks goes unregistered. it is very annoying.
The first thing one thinks: Hardware! Must be the mouse right? Wrong, I tried the vm4 on my windows 7 pro laptop and it works perfectly there, no missed clicks. So it is definitely not a hardware problem with the mouse, which I bought about 6 months ago.
Ok, so it must something wrong with my desktop machine. Wrong again, I tried a different mouse on it and there are zero missed click problems. The vm4 has button mapping software, so I thought maybe that was causing the problem and uninstalled it. Unfortunately, that didn't work either. It still missed clicks.
If I had an oscilloscope I'd use that to definitively rule out a hardware problem with the mouse, but I don't.
Any ideas what else can be tried to fix this? Obscure registry setting maybe?
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