How to stop Ubuntu Linux from switching to showing just your desktop wallpaper while scrolling with your mouse wheel
We realize the headline may seem a bit confusing, but this is mostly going to affect normal desktop computer users that switch to Ubuntu from another operating system, such as MacOS or Windows, and in particular those who have placed their dock at the bottom of the screen. The symptom is that you are using the mouse wheel (that typically also doubles as your middle mouse button), and you are scrolling down to read a long document or a long web page, or to read something else where you might need to scroll down for a while, and as you do your cursor drifts down into the dock area, and suddenly all your application windows fly off to the left and you are staring at your desktop wallpaper wondering what just happened!