Logi Download Assistant has started appearing on Windows PCs that use Logitech mice and keyboards with USB receivers. Some of the devices have been connected for years, and clicking the assistant doesn't seem to do anything. What might be installing it, and can it be stopped?
Why is Logi Download Assistant installing itself on Windows PCs?
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Windows Update may be delivering it as part of a driver or software component when it detects the Logitech receiver. That can happen even if the receiver has been plugged in for a long time, since the available driver package can change.
Check Device Manager under Software Components and review the device's driver details and Windows Update history. That should help establish how it arrived on an affected PC rather than assuming the assistant was installed manually.
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If the assistant itself is the concern, you could test disabling its associated services on one machine first. Check the mouse and keyboard afterward, including any button assignments or other customizations. Disabling Logitech components may also affect those features.
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There may be a registry setting that suppresses the popup, but that is not necessarily the same as preventing the software from being installed. Without the exact key and its behavior, I wouldn't change the registry based on that suggestion alone.
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Logi Options+ is a separate consideration. Some setups may need it for receiver support or customization, but installing it just to deal with the assistant could add software you don't otherwise want. Test the receiver and the features you need before deciding.
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NolaFenn:
Check a couple of affected PCs if you can. The component or driver details may differ across devices.