TsAmE,
I was searching for a resolution to your issue and actually found an reply on a Windows 8 forum website that I am also a member. I am hoping this will help you out. This also may be your post on this website as well that you may have not yet looked at.
Below is what was posted by member "FSeal' on the windows 8 forum.
FSeal:
Instead of "Mirror" you want to "Extend my desktop" on the second display, then you can put the VM fullscreen on one display and use the other display for windows stuff. (Make sure the "windows" display monitor is set as the "primary" monitor)
You should now be able to drag programs that you launch onto the second screen. The screens will be arranged as you see them on the control panel. so if the...