Transparent windows: how to get rid of it?

[Freddy Van Ingelgom]

I think that my question is confusing the way I posed here. In fact I
should not speak about a window, but I do not know how to name it:
sometimes it appears on the screen as a sort of indication were to put a
existing window, a sort of placeholder or how should I name it? It is a
sort of transparent rectangular that appears on top of my desktop and it
does not affect the way I worked, it is there, I can see and continue my
current work, and the only way to get rid of it is to resize a window,
place it on this transparent and then the window takes the size of that
transparent which disappear and after that I can return to the size that i
like for my current work (Firefox for example, or whatever).
I know that my question is not very clear, but the problem is that I dont
know the name or the meaning, or even the purpose of that transparent
rectangular.
Any help is very appreciated.
Freddy




On Wed, Nov 30, 2011 at 8:59 AM, Colin Law <clanlaw at googlemail.com> wrote:

> On 29 November 2011 21:12, Freddy Van Ingelgom <freddyek at gmail.com> wrote:
> > I use Ubuntu 11.10 with Unity as interface. Ican not say that I was
> always
> > happy with this Unity thing, but I like it now. There is one thing I
> hate:
> > from time to time there is a sort of transparent window appearing on the
> > screen and I can not find a way to get rid of it! I would like to know
> what
> > the purpose of this "window" is, what triggers the appearance of this
> > window, and most of all: is there a way to switch this "feature" off?
> > Any help is most appreciated!
>
> Can you give us a clue as to what is on this window?  If not then
> perhaps a screenshot.
>
> Colin
>
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