A strange overlay appears on my canvas when I paste in images or use text, sometime stet does not stay colour chosen it is stripe almost like an overlay or setting is set. Even when I close and reopen PS it still happens but not all the time. It ay not be an overlay but I don't know how else to describe it. It is to always the same the last time i tried to create an image it was see through tiles of a previous image I had made even though that was not open at the time.
Take a screenshot please.