That fixes it, Thank you.

I would (politely) argue that the software is "broken" in the default state for the Windows platform.

On 17 June 2015 at 10:09, martin rudalics <rudalics@gmx.at> wrote:
> In Windows, If I press say, Win+Left Arrow with an active window the
> expected behaviour would be to fill the left hand side of the screen.
>
> With emacs, the screen is not completely full, and there are small gaps to
> the left and the top.

What happens when you customize ‘frame-resize-pixelwise’ to t?

martin