Catalog or player?
If a page will not load, compare it in a fresh browser tab. If search is empty, remove the year and genre filters. If the video fails after choosing a service, the problem is in that player or account flow rather than the catalog’s title search.
A blank app screen
Compare the app’s behavior with ordinary browser access. Record the app version and the exact error if you need its publisher’s support. This website cannot report live status for every Cinema HD installation or external domain.
No sound, subtitles, or picture
Use the selected service’s player controls. Check the active audio and subtitle tracks, and whether the issue affects one title or several. The separate subtitle guide explains why a language shown in movie information is not a promise of every playback track.