2015-01-31, 00:53
For the "unable to download" files, you'll need to check that the files still exist - for some reason Kodi is unable to access them. Look in the kodi.log for more details.
Either create the missing artwork files or resolve whatever is preventing Kodi from accessing the files, or update the media library with locations of new accessible artwork. Then update the cache one more time.
Either create the missing artwork files or resolve whatever is preventing Kodi from accessing the files, or update the media library with locations of new accessible artwork. Then update the cache one more time.