Causes of Thumbnails Not Showing In Windows 10 But before doing so, we should know the causes behind it. Several users have reported that they can’t see picture thumbnails in Windows 10 or facing a “thumbnails not showing Windows 10” error in recent days, creating trouble for all.ĭo not worry related to the above-mentioned issues, Here, I am now going to help you in solving this issue. We have been used to such an extent that its absence creates a lot of trouble for the users. Thumbnails have always been an integral part of the representation for different items such as audio, video, folder, etc., in a way that can be understood by everyone comfortably.