hi. just an FYI--MS was of absolutely no help here--no surprise there, though...
i have personalized the lock/login screen with a picture from my computer.
it always showed upon start/restart.
all of a sudden--at first only from time to time, but recently, more frequently--a picture will come...
Anybody wonder if this is going to cause a lot of problems for Windows 7 and 8 users? Windows 10 has caused a lot of problems. I like to choose what I install. I think I'll wait a bit before updating and see how big a mess MS makes. It may be safer not to update if you are careful where you go...