Re: image-dired-cmd-create-thumbnail-program

> Date: Mon, 01 Jun 2026 12:44:47 +0000
> From: gfp <[email protected]>
> 
> How can I solve that issue comming up in opening dired?
> 
> Debugger entered--Lisp error: (error "Executable named by 
> ‘image-dired-cmd-create-thumbnail-program’ (convert) not found or not 
> pertinent")
>    error("Executable named by `%S' (%s) not found or not pertinent" 
> image-dired-cmd-create-thumbnail-program "convert")
>   
> image-dired--check-executable-exists(image-dired-cmd-create-thumbnail-program 
> w32image-create-thumbnail)
>    image-dired-thumb-queue-run()
>    apply(image-dired-thumb-queue-run nil)
>    timer-event-handler([t 27165 25722 103734 nil 
> image-dired-thumb-queue-run nil nil 940000 nil])

Install either 'convert' (from ImageMagick) or 'gm' (from
GraphicsMagick), and then it will work.  See the doc string of the
user option image-dired-cmd-create-thumbnail-program.