Amazon TV show downloads stop at the end of downloading phase

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For a couple of days now, Amazon downloads for (older) TV shows sometimes stop at the end of the downloading phase. There is no discernible pattern here, e.g. the first two episodes of The West Wing (S01) are downloaded and processed, the following episodes (3-6) are not processed, episode 7 works again, episode 8 does not. With some shows, it helps to switch from H265 (my default) to H264, but this does not always work. Using StreamFab 7.0.3.1 on Mac. Has anybody had similar problems recently? The log contains the following (among informational log entries):

2026:06:20-22:54:29 0x3253f0000 [Critical]: [default] DeSerialization videotrack failed : "Best" 2026:06:20-22:54:29 0x3253f0000 [Critical]: [DC.Amazon] Unkonw strSelectedResolution : "Best"
So I tried to select a specific resolution (1080p) instead of “Best”, but this only helped in some cases, too (e.g. the third episode of The West Wing S01). There is a correlation between an unusually fast download (> 100 MB/s) and the occurrence of the problem. Episodes which are downloaded at lower speeds are usually processed correctly.

Germania

temp1 Has anybody had similar problems recently?

I can’t test a Mac version myself ..
.. but a few Amazon downloads get stuck at over 95% for me, too.
And this has been happening for months, regardless of the SF version.
However, I never have to change anything ..
.. I just pause the dl briefly and it works on the second attempt.

btw: I also have the two critical entries in the log even after a successful dl.

MrGrackle

Germania I can’t test a Mac version myself ..
.. but a few Amazon downloads get stuck at over 95% for me, too.
And this has been happening for months, regardless of the SF version.
However, I never have to change anything ..
.. I just pause the dl briefly and it works on the second attempt.

btw: I also have the two critical entries in the log even after a successful dl.

Seen this in the past. I just wait it out and it eventually works. I probably posted about it 6 months ago.
Not seeing the issue at the moment.

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MrGrackle Unfortunately, waiting and/or restarting the download does not solve the issue. And the tell-tale sign is still the absurd speed – episodes with > 3 GB are downloaded in 5 seconds.

Germania

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Based on your old posts, I suspect DE ..
.. but where you get “The West Wing” at amazon ?
In DE it’s offered to buy or with HBO Max Channel - so I can’t test

Are titles included in PrimeVideo affected as well?

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Germania Yes, I did (try to) download The West Wing from the HBO Max Channel, but other/newer shows from that channel are not affected, and some shows offered via Prime directly are affected – so the issue is not linked to the channel.

For episodes 4 and 6, switching to H264 solved the issue, for episode 3, I just had to retry the download, other episodes just download right away (in H265). This is very confusing.