Landscape Images on Desktop

Hello,
When I am away from my pc for a while, my desktop is going black, and it is normal (so set), but when I click any key, the desktop 'awakens' and there is a landscape image, asking me if I like it or not. Sometimes the 'not' does nor apear so I cannont click on it.
When I click with the mouse anywhere on the desktop the image gone, by the way, these landscape images are very nice.
What can I do to stop these images to be displayed, is there some settings to do ?
Answers will be appreciated.
Thanks
Motim

I think because of this comment...

Motim said:

... a landscape image, asking me if I like it or not....

....that Motim is referring to the Spotlight images on the Lock Screen rather than the actual Desktop. That's the only place I know of that asks "Do you like what you see?". Windows Spotlight is also turned on in Personalisation, it's under 'Lock screen'.



New images are downloaded every now and then and the style of the next image you get depends on what you have said you 'liked' so far. Older ones will be removed as new ones arrive, so if you have a particular favourite you may want to rescue it before it disappears. This thread shows you how.
Windows spotlight lock screen image location