Steam Client starts along with Windows and stays in the taskbar tray. This means the Steam client is currently running and conducts updates if the computer is connected to the internet, you can choose to disable autostart for the Steam client. This will make steam not start when Windows starts...
However, this is not an elegant approach. What it will do is, it will make WINE spew error messages every time it runs. It will tell you that an auto-start service cannot run: 003c:fixme:service:scmdatabase_autostart_services Auto-start service L"FoxitReaderUpdateService" failed to start...
Since I upgraded to Version 1709, I can disable Autostart Features via Task Manager but they are Ignored and the Program is started even though it is disabled. In Version 1703 I did not have that Bug. Program in Question: Send To OneNote Tool... which features I can remove or disable...