Ubuntu in VirtualBox - Mouse Scroll Not Working

There was another problem with Ubuntu on VirtualBox. It does not detect mouse wheel scroll if you are using integrated mouse. I checked it here:

I tried the answer; it worked! However, the mouse cursor is not integrated, which I loathe and thus I looked add the second voted answer. This really works!!! It was unclear on how to do what the person wrote, so JFGI. Here is the link to do what the person wrote:

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