>>No, both mice involved are USB 2.0. By the way I am using the same USB port so that points to where the problem was located. Another point is that both mice are from Logitech.
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>I swore by Logitech's mice for years, but now it's gotten to the point where I don't trust whatever they made after about 2010. Before that, any of their mice would endure at least two years, some almost four, and what would go off would be one of the buttons or (in one case) the wheel.
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>Nowadays, I'm just happy with a 6€ keyboard + mouse combo from Genius, a brand known only in these parts. They're actually quite good, I used their mice in the nineties, and now have two sets of speakers of the same brand as well. Cheap but rock solid. OK, the freebie mouse is a bit wobbly with the wheel (sometimes it scrolls two notches down, one up, then two more down...).

I am more than mildly addicted to the Mouseman series - the beige/green ones by now all died of gunked balls (what a terrible way to die...) and a zoo of blue glowing opticals is at home desk with one in car and one in laptop case. But I have no more replacements! Thought about giving one of the gaming mice a test drive, but if Genius has something as hand-friendly, I might try them as well - they were a cheap but recognized name here in the late eighties and I had rodents from them as well.