» In my first post I gave the download url. It lnk contains the site key and that same key is listed under my registered sites in my wpml account.
» 9 out of 17 sites fail to update this plugin, while all these sites updated WPML Multilingual CMS from v4.7.4 to v4.7.5 on 28 May 25 without a problem. I don't see a difference between the 8 sites that do update and the 9 that don't.
» It happens with development and production sites.
» I unregistered and registered this site with a new key to be sure it's not the key. It didn't fix the issue.
The server log doesn't show errors, there are also no errors when I enable WP debug mode and the developers console also doesn't show errors.
I just tried to update the plugin on this site several times. You can probably see it on your end, including why it fails.