On the Resolve3D window,
click 
to remove all existing
thumbnails from the Stage View.
You can display thumbnails of images on the Stage View as they are acquired.
To display thumbnails:
On the Resolve3D Settings window, click the Misc tab and select (or deselect) the Show Stage Thumbnails check box.
To clear thumbnails:
On the Resolve3D window,
click to remove all existing
thumbnails from the Stage View.