My system is unstable!

minha tecla do windows (super) não esta funcionando, she don’t open the notifications applet and raven trigger

Does this help?

yes, yes this worked, but there’s something important that I want to tell. My interface is so instable ! sometimes there is something silly like switching windows from alt + tab doesn’t work and I get stuck on a static screen and have to restart the session. sometimes the window manager doesn’t work either, it doesn’t have the window bar without being able to see the title, close, minimize and maximize buttons