As you said it, it sounds like using windows xp service pack 3 mode solves the problem.
But I guess not, otherwise you wouldn't be here, would you.
Also as you said this is the (in)famous SBT Vision Point 10 software all you can do is install change compatibilty mode, you can't redevelop the software or change any sources anyway, can you?
So all we can do is a) teach you about what compatibility mode means and b) suggest installing into a virtual machine.
From my perspective and knowledge a) compatibility mode does not mean an XP system is running your software, if screen goes blank only b) installing virtual PC or Virtual Box or Hyper-V or anything alike and installing Win7 or older will help make this software run again, you can't turn off Windows themes within a software from outside and on the windows level you only can switch back some behavior to more "classic" looks. Anyway only an XP will work as an XP.
Bye, Olaf.