START - RUN - taskschd.msc
Navigate to the following folder in the left pane: Task Scheduler Library\Microsoft\Windows\Setup\gwx (you can list the content of the folders by clicking on the little arrow on their left);
From there, right-click on each of the task below and select Disable;
gwxlaunchtrayprocess;
refreshgwxconfig;
Close the Task Scheduler and restart your computer;