Yes pauldy, that solved it for me too. I was going to look into this, but you just saved me a lot of time, thanks!

36. Is the Official Raspberry 800*480 screen supported by Windows 10 Core IoT Microsoft added support for the screen in Insider Preview 10556 https://www.raspberrypi.org/forums/viewtopic.php?f=105&t=123420&p=831416#p831416 No Touch yet though :-( ... ... Touch available in Insider Preview 10.0.1426...

I just verified the february (2016) release (Insider Preview 10.0.14262.1000), touch functionality works for the official 7" touchscreen display. The picture is upside down however (or at least within my perception of what should be up, there has been a lot of confusion on top and bottom of this dis...