Keep getting a white screen when trying to use a tune. I took a pic. I had to unplug and retry like 3 times before I was able to recover my car. Any suggestions.

trying to update my 2014 3.6l dodge charger. it keeps asking to update the pcm and i connect it load the update. go to my car then try to wite the tune. it asks to apply the update, and goes through the entire process 100% after that it goes back to the home screen. then i click write tune and it ...

haha reading this and I'm on my mac downloading windows