A temporary solution for this posted by “dmurray87” :
I just double tap screen it gos away
Has anyone else ever got this blue screen?
i have never seen this in all years playing at replay
I guess … died a “few” pixels 
lol no, other two user said in the very same tour. Not play any tour since And I wonder if anything to do with Silverlight , thets crash on me sometime with chrome. Not on Firefox tho. But no time for check thet out.
BTW I got one dead pixel from the 5 million. ( red tho) :))