Well that’s an interesting turn of events.
Here’s the deal: The name is irrelevant, but I am happy to post it regardless. I just assumed that posting the names in here was taboo, like in most other places on the internet. I have even been banned from a forum for posting names. So, forgive me for being slightly wary.
There’s nothing illegal about downloading in Iceland, so it’s no skin of my back. You should keep in mind, however, that for some people in some countries it could be a HUGE issue.
The filename is “Extra.Ordinary.2019.1080p.BluRay.H264.AAC-RARBG.mp4”. Extra Ordinary shares the “1080p.BluRay.H264.AAC-RARBG.mp4” bit of the filename with 1,112 other movies, all of which show up in Plex, and none of which have any duplicates.
So once again, the name just doesn’t matter. Any sort of claiming that this particular filename is causing problems is utter rubbish, when there are literally over a thousand other files with the same naming convention.
Now, to answer each of you individually:
@JuiceWSA Almost none of my movies are poorly named. But there are very few that only have Title (Year) or even just Title. Those are indeed poorly named. 
But if this movie got merged with another movie, Plex would show me them as duplicates and I would fix that. It doesn’t, because it’s failing at something very specific that I doubt anyone in this forum can explain except possibly the programmers. The fact that Plex fails to show this one movie when it shows all others is not “all on me”. 
@JasonNalley No, I know that 99.9% is not the same as 100%. What’s your point? Very few of my movies don’t have the scene name, so I don’t know where they’re from, and I hate that. The rest of them all have the correct (to me, and many others) scene names.
You people, however, seem to be making some broad judgements on my character, which has pissed me off quite thoroughly so let me try to my very best to respond without sounding like a total c*nt :
When you tell someone that the reason for a problem is that one file out of ~1400 practically identically named files is named incorrectly, and that person tells you that the name can not be the cause of the problem because it’s named exactly the same as the rest of their files, perhaps you should consider getting off your high horses and for a second imagining that they might possibly be correct, instead of getting all adversarial? I was never trying to argue, only giving straight answers to the best of my abilities.
I did indeed come in here for help, and I got it practically within minutes.
I came in here to learn if I could manually add a missing title, and was answered right away by tom80H that this was impossible. That answered that.
He then asked me whether there was something special about that particular file, and I answered him no.
You then asked about the naming of the folders and files, and I thought I had answered you quite clearly - but apparently I didn’t.
What then followed was basically you people magnanimously explaining to me A) that I am an idiot (oh, and a metaphorical pig), and B) Plex cannot do wrong. Neither of which is true 
I would LOVE to get further help on this issue, and I truly appreciate anyone that does indeed partake of forums such as these and tries to help. But that’s obviously not going work if the only response I’m going to get is “It’s because the file is poorly named” and then having metaphorical sh/t thrown at me for disagreeing with such an unfounded blanket statement.
