George,
The version I upgraded to back some time ago, (I believe 2.613)
is and still is dual screen only, which means if I have my computer set to dual monitor and I don't actually have a second monitor hooked up, when I play a file in Microstudio all I would get wass a little black screen that pops up for only a short second and then dissapears and I am unable to view the graphics. Before I upgraded from (I think) 2.611 to 2.613 I never had that problem. After researching thru forums I discovered that was the problem. As I understood it, for that version only dual monitors were required. Now keep in mind also that my system is set up to always see a second monitor whether there's actually a monitor hooked up or not, so it was not as simple as changing my configuration to single monitor mode. Don't know what that would have actually done, never tried it.
In short, with that version, I had to hook up a monitor or I was never going to see the graphics, anyway what mindhunter77 is describing is exactly what I was experiencing back then.
Hope this explains better
wallymeister
