Two Bugs, one with Client one with Elise

So for some reason, and this has happened once before, changing my masteries led my client to leave this big white screen which I could not X out of. Im not sure what triggered it but it didn't let me change anything else because it basically blocked off 80% of my screen.

Another one I encountered was a glitch when playing Elise which I couldn't screenshot. For some reason, my cursor was basically stuck on the Ping cursor (the crosshair one) for the entire match. It didn't affect my ability to really click things, however it did not let me click the minimap to move the camera over to that region of the map. Minor glitch but still had a negative affect on the game.