On Fri, 22 Nov 2019 09:21:05 -0000, "Brian Gaff \(Sofa 2\)"
wrote:

Has anyone else noticed that in the last few days a nag screen has started
to appear at start up on windows 7 home machines?

Possibly KB 4524752 which was inflicted mid October.
https://support.microsoft.com/en-us/...7-professional