Locate where the problem starts
If the catalog works but the video fails after Watch now, note the service and edition that opened. This site does not host a numbered multi-server player, so changing a PrMovies search filter will not change that video's delivery.
Try one useful adjustment
Pause a competing large download or lower the player's quality setting if available. Test another title to distinguish a single failed offer from a broader connection issue.
Controls are player-specific
HTML5 video, adaptive bitrate, Picture-in-Picture, shortcuts and playback speed depend on the selected player. Use the controls it actually displays. CDN delivery is a service implementation detail, not a guarantee that every connection will remain uninterrupted.
Choose another offer if needed
Return to the title and compare the options for the correct country. Keep the same production year and cast so troubleshooting does not accidentally switch you to another film with a similar name.