Thanks for the bug report. > org-link-preview-file emits "Your Emacs does not support displaying images! " > when restoring buffers with desktop when Emacs was started as daemon.
Just checking, do you have #+startup: imagepreviews or #+startup: linkpreviews in these files? Or do you call `org-link-preview' or `org-toggle-inline-images' manually? Karthik