YUP... Me too... just got my UM3E... love it... but hate the start up... spent over 2 hours today, trying to change the UM3E's settings on that stupid dial around selector. CHANGE THAT! When I pick select material manually, it goes into an error message saying multiple materials identified, pick one.. so I try and it bounces back to the error message not letting me scroll down the material list. So I abort the print and it rebounds and tries again asking the same point as Brulti said, which is asking me to "ignore configuration." IF MY CURA is driving the slicing and hence the head temperatures then I am good to go, but then the loop happens again... insanity of doing the round and round over and over... then, as if the machine decides it has sufficiently aggravated me, it magically starts to print. I've run 5 or 6 small 1 to 2 hour built part sets and then a 39 hour build part all with the same headache of a start up. But once they go, they go nice. Frankly, I don't have the time any more to babysit the start up... IS THERE A BUG IN THIS SOFTWARE ON THE UM3E????? (My cura is working fine).