Nah. Not all files have this problem. It all depends on the source fps. I improved the source at 23.976 fps to 120 and it did not duplicate frames. But when I rendered the source file from 30 fps to 120, it started duplicating frames. Not always, but it happens.
I used a time remap in After effects and made a changing picture for each new frame. It should not have duplicated frames, because there are no duplicates in the source. You have to set the sensitivity to 100 when there are duplicate frames in the source, but I didn’t have that.
Basically, this problem occurs only in Apollo presets. I have not noticed it in others.
Yup, I just keep reporting it each time, really appreciate all your comments, they were much needed in this forum!
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Why on all videos processed by TopazAI, Mediainfo shows only 21,5 Mbs, if I have 180 Mbs in the settings ?
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Can someone say why the color space changes so much? After processing DaVinci, I process in TopazAi. And the maximum bit trade that TopazAi gives is 21.5Mbs
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Are you working with 8bit rec.709 in Davinci ?
Please advise whether it is better to import from DaVinci to TopazAi in the DNxHR mounting codec or into H255?
I don’t really understand it yet. Converted to Shutter Encoder to ProRes. 601 to 709. Then processed in Davinci 10 bit. Output 10 bit DNxHR444
Not sure what you are doing in Davinci regarding “Processed” but if you are working with rec.709 you need to setup colour space transform nodes so your working enviroment is within Davinci Wide Gamut and a final colour space transform node back to rec.709 Gamma 2.4
I finally installed the latest version to keep up to date. It seems to work fine for me. And I’ve checked that it starts at frame 0 as on previous versions and it’s fine. It starts at frame 0, so no problem. 
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I personally use Resolve after VAI to clean up and correct.
I don’t know how to do it (( I’m just getting started with DaVinci. Put rec 709 on the last nodes?
I have this sequence: Neat Video + DaVinci. Further, with minimal polishing settings on Topaz+120fps. It is important for me that the output is a very smooth video with a large interpolation of frames. Topaz does it best!
Same for me: VAI first and Resolve to upscale with Super Scale 2x enhanced
The fact is that TVAI works very poorly with noise. It distorts the noise profile. Makes some stains and watercolor instead of grain. This is evident when the frame is enlarged. Therefore, the first in video processing should be a professional noise reduction Neat Video 5. He does a miracle!
Further, noise-free video becomes more contrasty, sharp, more color-saturated. And at the end of processing, we can allow TVAI to double the frames for a smoother picture, and make small cosmetic improvements.
And most importantly! No upscale old video. Make improvements only in the original resolution. The TV itself will stretch the picture to the desired size. As a last resort, make the upscale the last separate aisle, no improvements!
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It depends how to use noise reduction: i always use Neat 5 in Resolve but the best results are on HD or FHD videos. Using Prot V3 manual i get a punchy detail for old movies and Super Scale enhanced in Resolve does the “finishing” cause it doesn’t amplify
the vignette effect. This is the best method for me.
I asked this as well awhile ago and a member of these forums told me to use Process Lasso which allows you to suspend apps. This works WONDERFULLY with TVA and I use it regularly. Just install the apps, find ffmpeg in the list, right click it and go to more - suspend. Done. When you ready to start it back, same place and go to resume.
