As reported by The Verge, the Logitech Subreddit saw Mac users complaining that their app wasn't working, and one comment ...
How-To Geek on MSN
4 repair commands to run before you reinstall Windows
Reinstalling Windows is disruptive. Run these built-in Command Prompt repairs in the right order to fix disk, system files, and update issues first.
Users were left in a lurch as Logitech failed to update a certificate its apps need to manage its mice and keyboards.
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