I found the reason! Apparently there is an extra 2 inches of space outside the right of my monitor? I moved my mouse outside the view of my monitor and everything is out there. I was dragging and dropping, I got my steam chats out and property tabs and everything, although I have no clue why? For some pop-ups, they fly outside the screen where I physically cant see them, even maximizing it doesn't work.
My screen resolution is 1600x900 just so you all know?
Yes I tried changing resolution, that's not the problem. There is an imaginary realm of missing tabs OUTSIDE of my monitor.
Also, I tried googling, can't find a problem similar to mine.