Riot Wake Up

When I am playing Lol I often get a freeze screen and then tha games shuts down and when I reopen it it cant be open tried to close it rom task manager and open it again this works sometimes but most importantly when I open it I am playing at north America server and when I switch back to eune I must do an update I got 2 ban like this what are you guys in riot doing???[darius-angry]