Way slower (2-3x in compile tasks), always doing some crap. Every time I open any app, sometimes a 5 - 10 second pause while It does some internet shchenanigans

Way slower (2-3x in compile tasks), always doing some crap. Every time I open any app, sometimes a 5 - 10 second pause while It does some internet shchenanigans, more frequent crashes, many more minor gripes.