@TThax You don’t need to actually download the client. The latest kernel, init, and client gets downloaded automatically when you run the fog installer. You just need to update to the latest FOG release candidate, run that installer, and you should be good to go.

Now in the WiKi under Troubleshoot FTP.

https://wiki.fogproject.org/wiki/index.php/Troubleshoot_FTP#You_must_first_upload_an_image_to_create_a_download_task