Interface problem (Sticky windows) The following interface problem occurs,
The UV Image window is attached to the Properties window, if I make the Properties or the UV Image window larger or smaller, the UV Image or Properties window will go along (see photos).
Blender interface-01.jpg - Blender interface-02.jpg
How can I solve this ?
Yes if the windows are at the exact same level they will stick to each other, I don't know if there's any other way to solve it than to create a new window and collapse it, like that:

You could join the areas but I doubt it makes it faster as you'll need to create a new window: