I hit that on my laptop installation late last week.
I rebooted the computer and tried again....that error message showed up again. I ignored it for about 5 seconds, and then it disappeared and I was able to continue.
One or two of my installation screens opened up behind the starting installation screen, so if it looks like it's stopped, make sure you move whatever is on top around to show what's behind. (might not happen to everyone)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
