Logitech MS Master 3


Custom actions assigned to the Logitech MX Master 3 mouse stopped working. Closing and re-opening the Logitech Options application doesn't make any difference. The same issue also affects the Logitech MX Keys keyboard.


This issue can be resolved by rebooting the PC. However, a quicker way to fix it is to kill all LogiOptons processes in Windows Task Manager and then re-open the Logitech Options application.

LogiOptions processes

October 2023
Windows 11 Pro (22H2)
Logitech Options 9.40

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