If the application stopped working all of a sudden without you doing anything to affect its functionality then you need to perform a reinstall of the application or simply start it again. It's possible that one of your installed applications conflicted with Logitech Event Monitor. Reinstalling will fix it.
If the application stopped working all of a sudden without you doing anything to affect its functionality then you need to perform a reinstall of the application or simply start it again. It's possible that one of your installed applications conflicted with Logitech Event Monitor. Reinstalling will fix it.