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this post was submitted on 18 Jul 2026
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Same shit as Logitech has done for several years, plug any logitech mouse into a Windows 7/10/11 machine and it will automatically install Logitech Download Assistant without any prompt.
I’ve only seen this happen with a prompt.
What happens is that when you connect a Logitech mouse or keyboard to a Windows 7/10/11 machine for the first time, Windows Update doesn't just download a driver (a .inf file) but also Logitech Download Assistant (a .dll file) and runs it.
You will then get a branded popup in the system tray prompting you to download the actual control software.
The LDA software is set to always run in the background, it also doesn't show up in add/remove programs, and is rather annoying to get rid of.
Mine has never tried to install anything automatically.
What happens is that when you connect a Logitech mouse or keyboard to a Windows 7/10/11 machine for the first time, Windows Update doesn't just download a driver (a .inf file) but also Logitech Download Assistant (a .dll file) and runs it.
You will then get a branded popup in the system tray prompting you to download the actual control software.
The LDA software is set to always run in the background, it also doesn't show up in add/remove programs, and is rather annoying to get rid of.
Is auto-install something Windows debloat tools disable? I've been using the G203 mouse and it's predecessors for years without any "download assistant" getting installed.
I even had to go to Logitech's website to manually download the software suite so the LEDs would stop flashing and changing colors.
The LDA won't show up in Add/Remove programs, it is a small DLL that beings up a branded popup by the clock asking you to download the Logitech control software.
The LDA popup looks like this currently:
If you google Logitech Download Assistant you will find a lot of posts about it and asking how to uninstall it.
To check if you have it on your computer, you can open the Task Manager, go into the Startup tab, and check the list there.
You can also check the System32 folder and look for a file called LogiLDA.dll