Hilfe zu Windows

Hello, It's about a week that I have on my hands my new lenovo legion -and by that I mean it's such a long time to already have problems with the bloody windows. They should be running properly, but guess what - they don't! There is app? a window? call it whatever you like, that launches by itself every few minutes repeatedly. The same happens with the side-notifications and the calendar. I went to settings and already deactivated the notifications alla of them, but this windows continue to suddenly appear and disappear repeatedly and this makes it impossible to work on my laptop or make any