PRO version update gets stuck since 1.6.3

Hello.

I bought your PRO version and used it nicely since some months ago when 1.6.3 came out.

From that moment forward I am not being able to update the plugin. Every time that there was a new version coming out and I’d try to update it, it would stop and say that there was a problem with the update because the package is empty.

Now I’m currently unable to update to version 1.6.8.

The error message is the following:

Downloading update from http://54.68.191.217/?pl=com&mod=updater&action=u&k=12a668a6c6a0bf6a8f535b5b53a6ccbe&s=popup_by_supsystic_pro&t=plugin&l=1493905&v=1.6.8&lic=bC5tYW5ub0BpbmJveC5jb218Y2YzZmQzMjg3YzQ0NjIzZWRmZTIxYmNhMTA2MjI3OGQ

ERROR: the package can’t be found. The package is empty.

Also it’s been a while (probably it started on the same time) that every time I login on WP it tells me that my license as expired (Which it HAS NOT) and to buy a new one. I just go on the license tab and click on the confirm button and the message goes away. I have to do it every single time and it’s very annoying.

Please resolve.

Thank you so much.
Luca