Three days ago my OS crashed, according to the Win 10 message, due to unsafe software. That was the same day that I got the Edge update. Possibly a coincidence?
The message didn't give me any details about the safety problem, BUT, the Win 10 installation was automatically repaired by a reinstall, which left me with many programmes disappeared! I am now spending a lot of time reinstalling several, mainly from the discs or downloads I saved when first installing Win 10 18 months ago.

Since the repaired Win 10 installation has been active, several messages have popped up and they now take a completely different format from that the message boxes used to have. Additionally, system messages on starting before the Welcome screen have been in a much larger and different style font!

Is there any information about this sneaked in version of the OS and what other nasty surprises are waiting to be discovered?