As for the issue of newly created Word documents zipping to the upper left corner of the screen, that's a problem I've had ever since I started with OS X (Lion); it extends to newly created PDF files too. Very annoying.
On the other hand, once moved elsewhere (on Desktop or another folder), that behavior is "silenced".
No one at Apple or in these forums or elsewhere has an explanation for the behavior, much less a solution to it.
C'est la vie. I just tolerate it and move on.
