This can be a little tricky, as the fix is not located where you think it would be.
Most people would think, logically, that it has something to do with the display.
Unfortunately, it is a mouse property.


OPEN: Control Panel

then

OPEN: Ease of Access Centre

then

CLICK: Make the Mouse Easier to Use

then

SELECT: Prevent windows from being automatically rearranged when moved to the edge of the screen

then

CLICK: Apply


AND VOILA! YOU ARE DONE!

Hope this helps.:p