Its probably because of a missing file or two...
Manualy copy that file to the folder to see if it fixes the problem.

Also, I recently published in A6 and noticed that it requires a file from directx 9 (on Windows 8.1!). I always had that file, so I never knew it was needed for a fresh Win8.1. I had to manualy include it in the folder to fix the problem.
And, by the way, the game started without that file...