Unique problems seem to be my specialty. I just tried a couple more times quickly and now when I select the viseme track and hit delete the whole character deletes.  Tried twice with 2 different characters.  I ended up having to select the viseme's and "cut". 
Is there anything in the code I can change just as a desperate hail Mary?  

Aside from having iclone on my B drive I also replaced my graphics card with a 1660 ti. I can't see how that would make a difference but who knows.  

I just realized I actually have iclone on my C drive but my template folder is on the B drive.  Another issue I have is if I load some characters (like Gwynn) and then try to run physics on the hair it just falls to the floor. When I check the weight map it's just a white square. The diffuse and opacity are there though.
 
If I recall this started happening when I did something with my directories. 
I just loaded up Gwynn and tried your script on her and same problem with the mouth not moving and no visemes. 
If the results were at least consistent Id have some hope.
If I get some time tonight I'll try and figure out a way to do a demo. 
Thanks for all the help. 

That graphics card worries me -- not about the viseme process, but even just running iClone.  But if it loads and runs don't think about it.

I'm exhausted from tennis but we can walk through this.  I need to check the current Python implementation and see if perhaps if my script that was improved by others here will run under the new version.  That might be the answer (because IIRC it doesn't require an existing viseme track).  That thread can be found here if you search "Papagayo" but I'll try it myself as soon as I have the energy (not a good day for me -- my wife fell down and severely hurt her shoulder and now I have to be nursemaid until we see an orthopod on Monday -- but I had already worn myself out on the court this morning).

We'll get it working -- don't give up (assuming that by looking at my video it seems like something you'd want).

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Alienware Aurora R12, Win 10, i9-119000KF, 3.5GHz CPU, 128GB RAM, RTX 3090 (24GB), Samsung 960 Pro 4TB M-2 SSD, TB+ Disk space
Mike "ex-genius" Kelley

I'm doing lots of running around today with work but I'll hopefully get some time to tackle this with a clear head. Or at least tackle this...

Why does the graphics card worry you?  I had a GTX 970 and never had a problem with iclone and then upgraded to the GTX 1660 ti a couple months ago. 
Aside from my power supply starting to sound like a diesel engine everything is running smooth. 
Hope you're wife is recouperating.  Too bad dr's don't make weekend house calls.  Unless you're Michael Jackson. 

I screen recorded with the windows Xbox app. It only shows the apps that you're working in but I'll edit it together and post it. 

Here's the video. It's a little weird without seeing the pop up windows etc but I added text that will hopefully make everything clear. I was really tired so I hope I didnt make any stupid mistakes.
https://www.sendspace.com/file/fgcvn8

I'll look at this this evening (it's been a very trying couple of days -- my wife broke her arm and we've been dealing with a lot of doctors).

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Alienware Aurora R12, Win 10, i9-119000KF, 3.5GHz CPU, 128GB RAM, RTX 3090 (24GB), Samsung 960 Pro 4TB M-2 SSD, TB+ Disk space
Mike "ex-genius" Kelley

Okay, first of all you HAVE to have the Console open while you run ANY Python scripts.  That window will show you exactly what is happening (and here most likely tells you the error).  So try again running the script with it open and see what it says.  If you can't figure it out, put a screen shot here of it and that will tell us all we need to know.

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Alienware Aurora R12, Win 10, i9-119000KF, 3.5GHz CPU, 128GB RAM, RTX 3090 (24GB), Samsung 960 Pro 4TB M-2 SSD, TB+ Disk space
Mike "ex-genius" Kelley

OK I tried it with the console open. I was hoping for an error message but it doesn't look like there was anything in the log.  I uninstalled all the faceware stuff wondering if that might have been the issue since I installed it just a few days ago for the trial period but that didn't seem to make a difference either.
It sounds like you have your hands full at the moment so don't no rush.  I've been making due with iclones viseme generation for now.  It's just frustrating. Usually I can find my own little ways of doing things that end up looking realistic but there doesn't seem to be any wiggle room with iclone.

C:/Users/User/Desktop/one/Voice 1.dat
Start
No viseme at frame 1 rest

No viseme at frame 6 rest

No viseme at frame 5 AI

No viseme at frame 7 etc

No viseme at frame 8 O

No viseme at frame 9 MBP

No viseme at frame 10 etc

No viseme at frame 12 U

No viseme at frame 13 etc

No viseme at frame 14 FV

No viseme at frame 15 rest

No viseme at frame 17 rest

No viseme at frame 16 AI

No viseme at frame 18 etc

No viseme at frame 20 AI

No viseme at frame 21 L

No viseme at frame 23 E

No viseme at frame 24 etc

No viseme at frame 26 U

No viseme at frame 28 etc

No viseme at frame 33 AI

No viseme at frame 36 MBP

No viseme at frame 39 etc

No viseme at frame 41 AI

No viseme at frame 42 etc

No viseme at frame 46 rest

Finished

Wait -- what version of my program are you running? I think you did say Papagayo2 but you don't say otherwise.

My program absolutely requires your .WAV file to be in your \exports directory (from Documents) or it will throw an error.  But it didn't so I assume you did put the .WAV file there.  It also requires the .DAT file to be there (but it won't throw an error in that case).  If you don't have both of those files there it won't run properly and that first line it's showing doesn't look like it (indeed, it doesn't even look like my code -- my code, again, throws errors and tells you why).

Are you sure that's not a very early version?  Here's (always) the latest:

https://www.dropbox.com/s/g6kv4qynxo2bcv8/Pagayo2.py?dl=0

Run that and tell me what IT says to you.

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Alienware Aurora R12, Win 10, i9-119000KF, 3.5GHz CPU, 128GB RAM, RTX 3090 (24GB), Samsung 960 Pro 4TB M-2 SSD, TB+ Disk space
Mike "ex-genius" Kelley

I downloaded the script several times and from several links so I guess I ended up losing track of the one that was giving me actual mouth movement. I did edit the script for the versions that required it.
I downloaded a fresh one from the link and put everything in the exports folder and tried again and got mouth movement but no visemes. I hit play and they don't appear.  All attempts after that first one have given me no mouth movement or visemes.

I'm going to try a few more times and check something. I took a closer look at the mouth movements and they don't even come close to matching the audio even though it was only one sentence and I did move everything into position. I wish I had saved that first attempt where I actually got mouth movement because now I'm starting to think those visemes may have been from the iclone import even after I erased them. The iclone generated visemes for that dialog are pretty bad.
I also tried saving the empty viseme track as a motionplus file and loaded it from the library and I get the same thing
This is the log.

C:/Users/User/Documents/exports/Voice 1.dat
Start
No viseme at frame 1 rest

No viseme at frame 6 rest

No viseme at frame 5 AI

No viseme at frame 6 rest

No viseme at frame 8 rest

No viseme at frame 7 etc

No viseme at frame 8 O

No viseme at frame 10 MBP

No viseme at frame 11 etc

No viseme at frame 13 U

No viseme at frame 14 etc

No viseme at frame 15 FV

No viseme at frame 16 AI

No viseme at frame 18 etc

No viseme at frame 20 AI

No viseme at frame 21 L

No viseme at frame 23 E

No viseme at frame 24 etc

No viseme at frame 25 U

No viseme at frame 27 etc

No viseme at frame 31 AI

No viseme at frame 33 MBP

No viseme at frame 36 etc

No viseme at frame 39 AI

No viseme at frame 42 etc

No viseme at frame 47 rest

Finished