keyboard issues

eed to click the mouse to get is back where it should be..... I n the cursor jumps aroud an I type the letter ns when applicationI

In certain applications including chrome and logging in when I type the letter "n" the cursor jumps back in the previously e certaintyped characters. In Libre Office it is fine. Also in any app when I type "shift y" I seldom get a capital Y that took 8 goes! Is there an issue here? It is a pain.I

see what I mean?