Sometimes it's an IP issue, depending on your country. We can usually fix it by asking Lust to open up the video to that country. Which country are ya in?
Viewing post in HDX Home EP2: Euphoria Evolved comments
I have also tried to disable my antivirus, launch in administrator mode and it's change nothing I am really out of option here, it's really sad because I was in love with the game so far, but it is really a game breaker bug. I wanted also to buy the gallery app and subscribe to the patreon but now I will have to wait to have this bug fixed first.