I went to shut down my laptop (Toshiba satellite L650) and instead of the usual routine the screen went black and displayed the following messages in succession, repeating them.
Updating your files (I'm not sure I've remembered this correctly)
This won't take long
It took me time to cut off power, eventually removing the battery.
When I next tried to switch on, the computer booted correctly as far as accepting my password, after that the screen went black.
The computer runs Win10 and is supposedly protected by AVG Internet Security, both automatically kept up to date.
A local guru removed a virus using Hitman Pro, but there were still problems with a black screen and failure to download from the internet.
The end result was re-installing Windows10 and altho' all my personal docs. and photos were all ok, I have to re-install all apps. and devices. Another loss is my email address book and emails older than those on the server.
Can anyone tell me what did this and why my anti-virus failed? I do not open dodgy emails or surf odd web sites.
I do not find any of this very helpful.
Windows10 updates do not announce themselves with a black screen and chatty remarks. It remains blue and says "Installing updates. do not turn off your computer.
As I said, my computer has been fixed locally, I would just like to know what attacked it.